Răspunsuri

2014-09-09T16:50:25+03:00
3 - 2x - 2 = x - 5
-2x - x = - 3 + 2 - 5
- 3x = - 6
x = 6/3
x = 2
1 5 1
2014-09-09T16:51:27+03:00
3-2(x+1)=x-5
3-2x+2=x-5
3-2+5=2x+x
1+5=3x
6=3x
x=6:3
x=2