a fost răspuns

rezolvati ec.:2(x+1)-3(2-x)=x+3(2x+1)

Răspuns :

2x+2-6+3x=x+6x+3
5x-4=7x+3
5x=7x+7
2x+7=0⇒x=[tex] \frac{-7}{2} [/tex]
Bonnybon23ask
2x+2-6+3x=x+6x+3
5x-4=7x+3
5x-7x=3+4
-2x=7/:(-2)
x=-7/2

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