Question

o numero 5 e a raiz da equaçao 2(x+1)=3(2x+1)-7(x-2)?

Answer 1

$2(x+1)=3(2x+1)-7(x-2)$
$2x+2=6x+3-7x+14$
$2x+2=-x+17$
$2x+x=17-2$
$3x=15$
$x= \frac{15}{3}$
$x=5$

Resposta: Sim