How do you solve $2abs(5x+3)=16$ ?

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Answer 1 · 2015-08-01T12:58:09

Solve: 2|5x + 3| = 16

Ans: x = 1, $x = - 11/5$

Solve: |2x + 3| = 8
Separate solving in 2 cases:

a. (5x + 3) = 8 --> 5x = 5 --> $x = 1$

b. -(5x + 3) = 8 --> -5x - 3 = 8 --> -5x = 11 --> $x = -11/5$

How do you solve 2abs(5x+3)=162abs(5x+3)=16?