How do you solve $x + 2 = -7$ ?

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Answer 1 · 2018-05-29T17:07:30

Subtract $color(red)(2)$ from each side of the equation to solve for $x$ while keeping the equation balanced:

$x + 2 - color(red)(2) = -7 - color(red)(2)$

$x + 0 = -9$

$x = -9$

How do you solve x + 2 = -7x + 2 = -7?