# data[].attributes.body
3p+q=7
-p+2q=-7 둘을 연립하면
6p+2q=14
-p+2q=-7 이고 2q끼리 빼면
7p=21
p=3.q-2이다.3+(-2)=1이다

# data[].attributes.body
6x-14y=10
6x-18y=6 둘이 연립하면
4y=4
y=1,x=4 이다.그러므로 4-1=3이다

# data[].attributes.body
y=3x이므로 식에 대입하면
ax+3x=-5
5a+15=-5
a=-4이므로 아래 식에 대입하면
ax+3x=5
-x=5
둘을 연립하면 x=-5이다

# data[].attributes.body
2x+y=-2
x-y=a
연립하면 3x=-2+a
a=11

# data[].attributes.body
3y=x
15y+7y=66
22y=66
y=3,x=9

# data[].attributes.body
3x+2y+2=-x-y
4x+2y+1=-x-y

4x+3y=-2
-
5x+3y=-1
___________________________________
x=1
y=-2

# data[].attributes.body
2x-y=-2
-8x+3y=6

8x-4y=-8
+
-8x+3y=6
___________________________________
-y=-2
y=2
x=0

# data[].attributes.body
20102김다영

# data[].attributes.body
y = 3x
4x - 3(3x) = 10
-5x = 10
x = -2
y = -6
x - y = 4
a = 4

# data[].attributes.body
20102김다영
2x + y = -2
x- y= 7
x = 3 이니까 엥

# data[].attributes.body
-x-y=3x+y+2
-2x-y=1

3x-y+2=4x+2y+1
-x-y=-1
x+y=1

-2x-y=1
x+y=1

x=-2 y=3

# data[].attributes.body
3x+y+2=-x-y
4x+2y=-2
4x+2y+1=-x-y  5x+3y=-1
12x+6y=-6  10x+8y=-2
2x=-4 x=-2 y=3

# data[].attributes.body
4x-3y=17
3y=x-2
4x-(x-2)=17
4x-x+2=17
3x=15
a=15

# data[].attributes.body
x-3y=-9
-
2x+7y=34

2x-6y=-18
-
2x+7y=34
___________________________________
13y=52
y=4
x=3

6x+ay=10
4a=-8
a=-2

ax+by=-2
4b=4
b=1
ab=-2

# data[].attributes.body
-4x-2y=2
-5x-3y=1

-12x-6y=6
-10x-6y=2

-2x=4
x=-2, y=3

# data[].attributes.body
2x+2=y
x-6=9x-3y
9x-3(2x+2)  9x-6x-6  -3x=-6
2x+2=2 x=0 y=2

# data[].attributes.body
-x-y=3x+y+2
-x-y=4x+2y+1
x=2
y=5

# data[].attributes.body
a=10
12b=12
b=1
a+b=10+1=11

# data[].attributes.body
2x+2=y
x-6=9x-3y
9x-3(2x+2)
9x-6x-6
-3x-6
2x+2=2
x=0,y=2

# data[].attributes.body
a+4=14
a=10
12b=12
b=1

# data[].attributes.body
3x-y=a
8x+4y=a
12x-4y=4a

20x=5a
a=8

6-y=8
y=-2
10

# data[].attributes.body
y=3x
4x-9x=10
-5x=10
x=-2
y=-6
8

# data[].attributes.body
3x+y+2=-x-y
4x+2y=-2
4x+2y+1=-x-y
5x+3y=-1
12x+6y=-6
10x+6y=-2
2x=-4
x=-2
y=3

# data[].attributes.body
-4x-2y=2
-5x-3y=1

-12x-6y=6
-10x-6y=2

-2x=4
x=-2
y=3

# data[].attributes.body
3p+q=7
-p+2q=-7

6p+2q=14
-p+2q=-7

7p=21
p=3
q=-2
1

# data[].attributes.body
2x+7y=34
x-3y=-9
2x-6y==-18 13y=52   y=4   x=3
3a+4b=-2
18+4a=10     4a=-8   a=-2
-6+4b=-2   4b=4  b=1
ab=-2

# data[].attributes.body
2x+2-y=0
2x-y=-2
x-6=9x-3y
-8x+3y=6
8x-4y=-8
-8x+3y=6
-y=-2
y=2
x=0

# data[].attributes.body
-4x-2y=2      X3      -12x-6y=6
-5x-3y=1      X2        -10x-6y=2
-2x=4     x=-2
10-3y=1 y=3

# data[].attributes.body
3x+y+2=-x-y
4x+2y=-2
4x+2y+1=-x-y
5x+3y=-1

두식을 대입하면
12x+6y=-6
10x+6y=-2
2x=-4
x=-2
y=3

# data[].attributes.body
20124임우진

# data[].attributes.body
4x-3y=17
+
-x+3y=-2
___________________________________
3x=15
a=5

# data[].attributes.body
3x-7=5
2x-6y=2
6x-14y=10
6x-18y=6
4y=4
y=1
x=4
x-y=3

# data[].attributes.body
2(x+1)-y=0
x-6=3(3x-y)

2x-y=-2
x-6=9x-3y

2x-y=-2
-8x-3y=6

x=0
y=2

# data[].attributes.body
ax+y=5
-x+y=10
y=3x
-x+3x=10
2x=10
x=5/y=13
5a+ 15=5
5a=20
a=4

# data[].attributes.body
2x+7y=34
x=3y=-9
2x-6y=-18
13y=52
ab=-2
x=3

3a+4b=-2
8+4a=10
-6+4b=-2
4b=4
b=1
ab= -2

# data[].attributes.body
2x+2-y=0
x-6=9x-3y

2x-y=-2
-8x+3y=6

8x-4y=-8
-8x+3y=6

y=2
x=0

# data[].attributes.body
a+4=14   a=10
1+12b=13    12b=12  b=1
a+b=11

# data[].attributes.body
2x

# data[].attributes.body
20102김다영
5x + 7y = 66
x : y = 3 : 1

5x + 7y = 66
x = 3y

15y + 7y = 66
22y = 66
y = 3

x = 9
mmmm...

# data[].attributes.body
2x+2-y=0
2x-y=-2
x-6=9x-3y
-8x+3y=6
4(2x-y=-2)
-8x+3y=6
+8x-4y=-8

# data[].attributes.body
4x-(x-2)=17
3x+2=17 3x=15 a=15

# data[].attributes.body
2(x+1)-y=0
x-6=3(3x-y)
2x+2-y=0
x-6=9x-y
x=0
y=2

# data[].attributes.body
3p+q=7
-p+2q=-7

6p+2q=14
-p+2q=-7

7p=21
p=3
q=-2
1

# data[].attributes.body
ax+by=-2
2x+7y=34

x-3y=-9
6x+ay=10

2x+7y=34
x-3y=-9

2x+7y=34
2x-6y=-18

13y=52
y=4
x=3

a=1 b=-2
ab=-2

# data[].attributes.body
x = 1, y = 1
3p + q = 7
-p + 2q = -7

6p + 2q = 14
-p + 2q = -7
7p = 21

p = 3, q = -2
p + q = 1

# data[].attributes.body
2x+7y=34
x-3y=-9
2x-6y=-18

13y=52
y=4
x=3

3a+4b=-2
18+4a=10
a=-2
b=1
ab=-2

# data[].attributes.body
y의 값이 x의 값의 3배이니
식으로 쓰면 y=3x
4x-3y=10 이니 연립시켜주면
4x-9x=10
-5x=10
x=-2
y=-6
x-y=a
(-2)-(-6)=4
a=4

# data[].attributes.body
2x+2-y=0
x-6=9x-3y
8x-3y=-6
8x-4y=-8
y=2
x=0

# data[].attributes.body
2x-y=-2          X3     6x-3y=-6
-8x+3y=6                -8x+3y=6
-2x=0    x=0
0-y=-2 y=2

# data[].attributes.body
y = 6 - a
16 + 24 -4a = a
40 = 5a
a = 4
b = 2
4 - 2 = 2

# data[].attributes.body
4x-x+2=17
3x=15
a=15

# data[].attributes.body
a+4=14 a=10
1+12b=13
b=1
a+b=11

# data[].attributes.body
2x+2-y=0
x-6=9x-3y

2x-y=-2
-8x+3y=6

8x-4y=-8
-8x+3y=6

y=2
x=0

# data[].attributes.body
각 식에 해를 대입시켜주면
a+4=14
a=10
1+12b=13
b=1
a+b=11

# data[].attributes.body
2x+7y=34
x-3y=-9
2x-6y=-18
13y=52
y=4
x=3
3a+4b=-2
18+4a=10
4a=-8
a=-2
-6+4b=-2
4b=4
b=1
ab=-2

# data[].attributes.body
2x+7y=34
x-3y=-9
2x+7y=34
2x-6y=-18
13y=52
y=4
x=3
18a+4a=10
4a=-8
a=-2
-6+4b=-2
b=1
ab=-2

# data[].attributes.body
3y=x-2를 1번씩에 대입시키면

4x-(x-2)=17
4x-x+2=17
3x=15
a=15

# data[].attributes.body
2x+2-y=0
2x-y=-2
x-6=9x-3y
-8x+3y=6
4(2x-y=-2)
-8x+3y=6
+8x-4y=-8
-y=-2 y=2 x=0

# data[].attributes.body
-3x+y=-a
-
8x+4y=a

-12x+4y=-4a
-
8x+4y=a
___________________________________
20x=5a
x=2
20x=5a
40=5a
a=8
y=-2
b=-2
a-b= 8+2=10

# data[].attributes.body
3x-y=a
8x+4y=a
12x-4y=4a

20x=5a  a=8   6-y=8  y=-2
a-b= 10

# data[].attributes.body
2x+2-y=0 y=2x+2
x-6=9x-3y
3y-8x=6
6x+6-8x=6
-2x=0
x=0
y=2

# data[].attributes.body
2x+2-y=0
2x-y=-2
x-6=9x-3y
-8x+3y=6
두 식을 연립하면
8x-4y=-8
-8x+3y=6
-y=-2
y=2
x=0

# data[].attributes.body
b=6-a
16+4b=a
a+b=6
a-4b=16
5b= - 10
b= -2, a=8
a-b=10

# data[].attributes.body
a+4=14
a=10
1+12b=13
b=1
a+b=11

# data[].attributes.body
-
.'.20124임우진

# data[].attributes.body
y의 값이 x의 값의 3배이니
식으로 쓰면 y=3x
4x-3y=10 이니 연립시켜주면
4x-9x=10
-5x=10
x=-2
y=-6
x-y=a
(-2)-(-6)=4
a=4