Ligninger by Magnus Groes https://padlet.com/margnus/badei834hc77 Isoler x i en ligning som du selv vælger en-us 2017-08-10 07:27:03 UTC 2017-08-16 06:02:35 UTC hello@padlet.com Magnus margnus https://padlet.com/margnus/badei834hc77/wish/180580393 6 - 2(2x+4) = 1 <=>
-4x - 8 = -5 <=>
-4x = 3 <=>
x = - 3/4

]]> 2017-08-10 07:42:41 UTC https://padlet.com/margnus/badei834hc77/wish/180580393 Linea https://padlet.com/margnus/badei834hc77/wish/181093903 5x + 3(x + 20) = 15x + 25 <=>
5x + 3x + 60 = 15x + 25 <=>
8x + 60 = 15x + 25 <=>
60 = 7x + 25 <=>
35 = 7x <=>
35 : 7 = 5 <=>
7 : 7 = 1 <=>
x = 5

]]> 2017-08-15 14:39:14 UTC https://padlet.com/margnus/badei834hc77/wish/181093903 Nina nina_kleberg_2830 https://padlet.com/margnus/badei834hc77/wish/181120301 5 + 7x - 2(x - 4) = x + 1 <=>
7x - 2x + 8 = x + 1 - 5  <=>
5x - x = -12 <=>
4x = -12 <=>
4x/4 = -12/4 <=>
x = - 3]]> 2017-08-15 17:02:18 UTC https://padlet.com/margnus/badei834hc77/wish/181120301 Erik https://padlet.com/margnus/badei834hc77/wish/181121463 2x - 6 (- 6 + x) = 6 + 2x <=>
2x + 36 - 6x = 6 + 2x <=>
-4x +36 = 6 + 2x <=>
-4x + 30 = 2x <=>
6x = 30 <=>
x = 5]]> 2017-08-15 17:09:05 UTC https://padlet.com/margnus/badei834hc77/wish/181121463 Sophia https://padlet.com/margnus/badei834hc77/wish/181139501 5x+19=25+2x <=>
5x-2x=25-19 <=>
3x=6 <=>
x=2]]> 2017-08-15 18:45:53 UTC https://padlet.com/margnus/badei834hc77/wish/181139501 Ida Gredsted Andersen https://padlet.com/margnus/badei834hc77/wish/181142322 7x + (9 - 5) = 5x + 12 - 2
7x + 4 = 5x + 10
7x - 5x = 10 - 4
2x = 6
x = 3

]]> 2017-08-15 19:06:24 UTC https://padlet.com/margnus/badei834hc77/wish/181142322 Katrine https://padlet.com/margnus/badei834hc77/wish/181145001 0,7x − 0,5 = 0,2x + 1,5 <=>
10*(0,7x−0,5)=10*(0,2x+1,5) =>
7x − 5 = 2x + 15 <=>
7x−2x−5+5= 2x −2x+ 15+5  <=>
5x=  20 <=> 
5x/5 = 20/5 <=>
x = 4]]> 2017-08-15 19:24:47 UTC https://padlet.com/margnus/badei834hc77/wish/181145001 Kasper Kongstad kasper_kongstad https://padlet.com/margnus/badei834hc77/wish/181146265 18x*10=22x+387
180x =22x+387
-22x  - 22x 
158x=387
/158  /158
x=2,45]]> 2017-08-15 19:35:16 UTC https://padlet.com/margnus/badei834hc77/wish/181146265 Natascha Newton Davies https://padlet.com/margnus/badei834hc77/wish/181147277 6x - 3 = 30 + 3x <=>
6x - 3 + 3 = 30 + 3x - 3x <=>
6x - 3x = 30 + 3 <=> 
3x = 33 <=>
X = 11

]]> 2017-08-15 19:43:31 UTC https://padlet.com/margnus/badei834hc77/wish/181147277 VICTOR https://padlet.com/margnus/badei834hc77/wish/181147448 2X+16=-4X+10
16=-6X+10
6=-6X
1=-X]]> 2017-08-15 19:44:27 UTC https://padlet.com/margnus/badei834hc77/wish/181147448 Rebekka https://padlet.com/margnus/badei834hc77/wish/181148922 10x-7=8x+1
2x-7=1
2x=8
x=4]]> 2017-08-15 19:53:26 UTC https://padlet.com/margnus/badei834hc77/wish/181148922 Marius https://padlet.com/margnus/badei834hc77/wish/181149126 4 - 5 + 2x = - 9x + 10
-1 + 2x = - 9x + 10
2x = - 9x + 11
11x = 11
x = 1



]]> 2017-08-15 19:54:38 UTC https://padlet.com/margnus/badei834hc77/wish/181149126 Frederik https://padlet.com/margnus/badei834hc77/wish/181149710 5x+17=45-6x
5x+6x+17=45
11x=45-17
11x=28
x=28/11
x=2,55

]]> 2017-08-15 19:58:14 UTC https://padlet.com/margnus/badei834hc77/wish/181149710 Mads https://padlet.com/margnus/badei834hc77/wish/181149830 10x-15+2=45+8
10x+13=37
10x=50
x=5

]]> 2017-08-15 19:58:55 UTC https://padlet.com/margnus/badei834hc77/wish/181149830 Sarah https://padlet.com/margnus/badei834hc77/wish/181150185 20x + 4(x+8) = 31x + 18 <=>
20x + 4x + 32 = 31x + 18 <=>
24x + 32 = 31x + 18 <=>
24x + 14 = 31 x <=>
14 = 7x <=>
x=2]]> 2017-08-15 20:01:13 UTC https://padlet.com/margnus/badei834hc77/wish/181150185 Gustav Spove https://padlet.com/margnus/badei834hc77/wish/181150693 5x + 10 + 2x=50 - 10 + x
7x + 10 = 40 + x
6x = 30
x = 5]]> 2017-08-15 20:05:36 UTC https://padlet.com/margnus/badei834hc77/wish/181150693 Lua https://padlet.com/margnus/badei834hc77/wish/181150814 x +2 =6
x +2 -2 =6 -2
x = 6-2
x=4

2x + 4 = 10
2x = 10 - 4
2x = 6
x *2 = 6
x *2 /2 = 6/2
x = 6/2
x = 3

udligne + med - på hver side, + bliver til -
udligne * med / på hver side, * bliver til /]]> 2017-08-15 20:06:49 UTC https://padlet.com/margnus/badei834hc77/wish/181150814 Annemone https://padlet.com/margnus/badei834hc77/wish/181153432 3(4x – 1) + 5 = 5x + 2(10 – x)
12x - 3 + 5 = 5x + 20 - 2x
12x + 2 = 3x + 20
9x + 2 = 20
9x = 18
x = 18/2
x = 2
]]> 2017-08-15 20:28:13 UTC https://padlet.com/margnus/badei834hc77/wish/181153432 Helena https://padlet.com/margnus/badei834hc77/wish/181153513 2x+2=6+x
2x-x+2-2=6-2+x-x
x=4]]> 2017-08-15 20:28:46 UTC https://padlet.com/margnus/badei834hc77/wish/181153513 Alberte https://padlet.com/margnus/badei834hc77/wish/181154380 16x + 6 = 26 + 6x
16x + 6 - 6x = 26 + 6x - 6x
10x + 6 = 26
10x + 6 - 6 = 26 - 6
10x = 20
10x / 10 = 20 / 10
x = 2]]> 2017-08-15 20:36:30 UTC https://padlet.com/margnus/badei834hc77/wish/181154380 Liva liva_prip_helmer https://padlet.com/margnus/badei834hc77/wish/181159956 x + 4 = 7
x + 4 - 4 = 7 - 4
x = 7 - 4
x = 3]]> 2017-08-15 21:32:13 UTC https://padlet.com/margnus/badei834hc77/wish/181159956 Alan alanyangdk https://padlet.com/margnus/badei834hc77/wish/181160662 2x + 4 = 34 - 3x
5x + 4 = 34
5x = 30
x = 30/5
x = 6]]> 2017-08-15 21:39:55 UTC https://padlet.com/margnus/badei834hc77/wish/181160662 5x=100 valdemar4 https://padlet.com/margnus/badei834hc77/wish/181203641 x= 20]]> 2017-08-16 06:01:42 UTC https://padlet.com/margnus/badei834hc77/wish/181203641 mads valdemar4 https://padlet.com/margnus/badei834hc77/wish/181203694 der skal stå -8 i min sorry venner]]> 2017-08-16 06:02:22 UTC https://padlet.com/margnus/badei834hc77/wish/181203694