Răspunsuri

2014-09-30T23:00:52+03:00
29-5x-5=4<=>24-5x=4=> 5x=20=> x=4
si
6x-2=3x+6+4<=>3x-2-6-4=0<=>3x-12=0<=>3x=12=>x=4
4 4 4
2014-09-30T23:03:32+03:00
29-5(x+1)=4
29-5x-5=4
20=5x
x=4
2(3x-1)=3(x+2)+4
6x-2=3x+6+4
3x=12
x=4
e cel mai bun raspuns?marcheaza-l!
2 5 2