Question

3-2*(x+3)=x-18 qual a resposta ???

Answer 1

Olá,

$3-2.(x+3)=x-18$
$3-2x-6=x-18$
$-2x-x=-18-3+6$
$-3x=-21+6$
$-3x=-15$
$x= \frac{-15}{-3}$
$x=+5$

ESPERO TER AJUDADO!! :D

Answer 2

Resposta:

x = 5

Explicação passo-a-passo:

$3-2(x+3)=x-18\\3-2x-6=x-18\\-3-2x=x-18\\-2x-x=-18+3\\-3x=-15\:\times(-1)\\3x=15\\x=\frac{15}{3} \\\boxed{x=5}$