Question

$2x + 4 = 8$
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Answer 1

$2x + 4 = 8 \\ 2x = 8 - 4 \\ 2x = 4 \\ x = 2$

Answer 2

Olá tudo bem?

$2x = 8 - 4$

$2x = 4$

$x = \frac{4}{2}$

$x = 2$