Răspunsuri

2014-04-15T15:18:23+03:00
5x-10-2x+3x+3=6+7x
6x-7=6+7x
6x-7x=6+7
-x=13
x=-13
5x-2x+3x=3x+3x=6x.
nu 8x. la randul al doilea
a da mersi scuze
corecteaza
2014-04-15T15:18:48+03:00
5(x-2)-2x+3(x+1)=6+7x
5x-10-2x+3x+3=6+7x
5x-2x+3x-7x=6+10-3
-x=13
x=-13