Question

$10.(2x + 2) + x - 1 = 5$
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Answer 1

Resposta:

$x=-\frac{7}{10}$

Explicação passo-a-passo:

$10(2x+2)+x-1=5\\20x+20+x=5+1\\21x=6-20\\x=\frac{-14}{20}=-\frac{7}{10}$