Question
$$-8 = -(x+4)$$
Answer
$$ x = 4 $$
Explanation
$$ \begin{aligned} -8 &= -(x+4)&& \text{simplify right side} \\[1 em]-8 &= -x-4&& \text{ swap the left and right side of the equation } \\[1 em]-x-4 &= -8&& \text{ move -4 to the right } \\[1 em]-x &= -8+4&& \\[1 em]-x &= -4&& \text{switch signs on both sides} \\[1 em]x &= 4&& \\[1 em] \end{aligned} $$
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