Răspunsuri

2014-09-05T13:28:22+03:00
2(x-1)+3(x+2)=5x+4
2x-2+3x+6=5x+4
2x+3x-5x=4-4
0x=0
deci x=0
1 5 1
2014-09-05T13:29:11+03:00