Răspunsuri

2014-04-28T16:10:52+03:00
2x+2-6+3x=x+6x+3
5x-4=7x+3
5x=7x+7
2x+7=0⇒x= \frac{-7}{2}
1 1 1
2014-04-28T16:10:58+03:00
2x+2-6+3x=x+6x+3
5x-4=7x+3
5x-7x=3+4
-2x=7/:(-2)
x=-7/2