Question

equação: 3(1-2x)=2(x+1)+x-7

Answer 1

Resposta: x = 0,888...

Explicação passo-a-passo:

$\mathtt{3(1-2x)=2(x+1)+x-7}\\\\ \mathtt{3-6x=2x+2+x-7}\\\\ \mathtt{3-6x=3x-5}\\\\ \mathtt{-6x-3x=-5-3}\\\\ \mathtt{-9x=-8}\\\\ \mathtt{x=\dfrac{-8}{-9}=0,\overline{888}}$