Răspunsuri

2014-03-20T16:01:58+02:00
2(4x-5)+3(3x+2)=7(x+1)-1
8x-10+9x+6=7x+7-1
8x+9x_4=7x+6
8x+9x-7x=6+4
10x=10
x=10/10
x=1