Question:
Solve:
5x + 7 = 2x − 8
Solution:
$5 x+7=2 x-8$
$\Rightarrow 5 x-2 x=-8-7$
$\Rightarrow 3 x=-15$
$\Rightarrow x=\frac{-15}{3}=-5$
$\therefore x=-5$
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