Solve: 5x + 7 = 2x − 8

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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