How do you solve $abs(2x+13)=28$ ?

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Answer 1 · 2016-11-04T13:46:34

The solution is $x = 7.5, -20.5$

Removing the absolute value function and solving these two equations provide the answer:

$2x + 13 = 28 =>$ 2x + 13 - 13 = 28 - 13 => 2x = 15 => x = 7.5#

$2x + 13 = -28 => 2x + 13 - 13 = -28 - 13 => 2x = -41 => x = -20.5$

How do you solve abs(2x+13)=28abs(2x+13)=28?