Question

d) x + 2(3 – x) = x
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Answer 1

Resposta:

$x=3$

Explicação passo-a-passo:

Vamos resolver fazendo a distributiva.

$x+2\cdot(3-x)=x\\x+6-2x=x\\-x-x=-6\\-2x=-6\\\\x=\dfrac{-6}{-2}\\\\\boxed{x=3}$