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a fost răspuns

3(x-3)-2(1-x)=2x-2(x+4)+7 VAAAAAAAAAAAAA ROOOOOOOOG

Răspuns :

3x-9-2+2x=2x-2x-8+7
5x-11=-1
5x=-1+11
5x=10
x=10:5
x=2

Sorinamomanu
3x-9-2+2x=2x-2x-8+7⇒3x+2x-2x+2x=-1+2+9⇒5x=10⇒x=10/5⇒x=2