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

# data[].attributes.body
4x-3y=17
3y=x-2
4x-(x-2)=17
4x-x+2=17
3x=15
X=5
3x=15

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

# data[].attributes.body
y=3x-a
8x+4y=a
12x+8x-4a=a
20x=5a
a=4
16+4b=4
4b=-12
b=-3

4-(-3)=4+3=7

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

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

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

# data[].attributes.body
2x+y=-2
x-y=a   x=3
6+y=-2
y=-8
3+8=a
a=11

# data[].attributes.body
-x-y=3x+y+2=4x+2y+1
3x+y+2=-x-y
4x+2y+1=-x-y
4x+2y=-2
5x+3y=-1
12x+6y=-6
-10x-6y=12
2x=6
x=3
y=7

# data[].attributes.body
-x-y=3x+y+2에서 -4x-2y=2
-x-y=4x+2y+1에서 -5x-3y=1
-4x-2y=2 ...(1)
-5x-3y=1 ...(2)
(1)의 양변에 3을 곱하면
-12x-6y=6 ...(3)
(2)의 양변에 2를 곱하면
-10x-6y=2 ...(4)
(3)-(4)를 하면 -2x=4, x=-2
x=-2를 (1)에 대입하면 8-2y=2, -2y=-6, y=3
답: x=-2, y=3

# data[].attributes.body
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# data[].attributes.headline
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# data[].attributes.subject
클릭하시면 들어갈 수 있어요

# data[].attributes.body
2(x+1)-y=0
x-6=3(3x-y)
2x+2-y=0
x-6=9x-3y
2x-y=-2
-8x+3y=6
6x-3y=-6
-8x+3y=6
-2x=0
x=0
-y=-2
y=2

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

# data[].attributes.body
-x-y=3x+y+2
-x-y=4x+2y+1
-4x-2y=2
2x+y=-1
y=-1-2x
5x+3y=-1
5x+3(-1-2x)=-1
5x-3-6x=-1
-x=2
x=-2, y=3

# data[].attributes.body
2x+y=-2
x-y=7
x-y=a
6+y=-2
y=-8
3+8=11

# data[].attributes.body
20403김가빈

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

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

# data[].attributes.body
20403김가빈

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

# data[].attributes.body
2(x+1)-y=0에서 2x+2-y=0, 2x-y=-2
x-6=3(3x-y)에서 x-6=9x-3y, -8x+3y=6
2x-y=-2 ...(1)
-8x+3y=6 ...(2)
(1)의 양변에 3을 곱하면
6x-3y=-6 ...(3)
(2)+(3)을 하면 -2x=0, x=0
x=0을 (1)에 대입하면 y=2
답: x=0, y=2

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

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

2x+2-y=0 2x-y=-2

x-6=9x-3y
8x-3y=6
-y=2
y=2
x=0

# data[].attributes.body
ax+y=14
x+3by=13    (1,4)
a+4=14
1+12b=13
a=10
12b=12
b=1
a+b=11

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

2x+2-y=0   2x-y=-2

x-6=9x-3y    -8x+3y=6

8x-4y=-8
-8x+3y=6
-y=-2          y=2

8x = 0 x=0

# data[].attributes.body
2(x+1)-y=0
x-6=3(3x-y)
2x-y=-2
-8x+3y=6
8x-4y=-8
-8x+3y=6
-y=-2
y=2
x=0

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

# data[].attributes.body
ax+y=14
x+3by=13
a+4=14  a=10
1+12b=13 12b=12

b=1 11

# data[].attributes.body
ax+y=14
x+3by+13       (1,4)

a+4=14
a=10

1+12b=13
12b=12 b=1

a+b =11

# data[].attributes.body
3x=15  x=5
a=15

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

# data[].attributes.body
(1, 4)는 x=1, y=4라는 것이므로 이를 ax+y=14에 대입하면 a+4=14, a=10
x=1, y=4를 x+3by=13에 대입하면 1+12b=13, 12b=12, b=1
따라서 a+b=10+1=11
답: 11

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

# data[].attributes.body
4x-3y=17
3y=x-2

4x-(x-2)=17
4x-x+2=17
3x=15   x=5

3y=5-2 3y = 3 y=1 x=5

# data[].attributes.body
2(x+1)-y=0
x-6=3(3x-y)
2x-y=-2
-8x+3y=6
8x-4y=-8
-8x+3y=6
-y=-2

y=2
x=0

# data[].attributes.body
ax+y=14
x+3by=13의 해가 (1,4)일때
a+4=14
a=10
1+12b=13
b=1
10+1=11

# data[].attributes.body
4x-3y=17
3y=x-2

4x-(x-2)=17
4x-x+2=17
3x=15
x=5
a=15

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

# data[].attributes.body
2x-y=-2
-8x+3y=6
6x-3y=-6
-2x=0
x=0 y= 10

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

# data[].attributes.body
(2)를 (1)에 대입하면 4x-(x-2)=17, 4x-x+2=17, 3x=15
따라서 이때 3x=a라 했으므로 a=15
답: 15

# data[].attributes.body
ax+y=14
x+3by=13

a+4=14
a=10

1+12b=13
12b=12
b=1

10+1=11

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

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

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

# data[].attributes.body
4x-3y=17
3y=x-2
4x-(x-2)=17
4x-x+2=17
3x=15
X=5
3x=15

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

# data[].attributes.body
4x-3y=17
3y=x-2

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

a=15

# data[].attributes.body
4X-X+2=17
3X=15
A=15

# data[].attributes.body
4x-(x-2)=17
4x-x+2=17
3x=15
x=5
∴ 3x=15
a=15

# data[].attributes.body
20403김가빈

# data[].attributes.body
1+3b=13
b=4
a+4==14
a=10

# data[].attributes.body
8x+4(3x-a)=a
8x+12x-4a=a
20x=5a
x=2이기 때문에 a=8 그리고 이를 대입하면 b=6-8
b=-2 a-b=10

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

# data[].attributes.body
y=3x-a
8x+4y=a        (2,b)

b=6-a
16+4b=a

16+4(6-a)=a
16+24=5a

40 = 5a       a = 8

b = 6 -8        b= -2

a-b = 8-(-2) = 10