Question

How do you solve `3|x + 5| + 4 = 7`?

Answer 1

`x = -4` or `x = -6`

Explanation:

From `3 abs(x+5)+4=7` we conclude that `abs(x+5)=1`
that can be obtained as solution of
`x+5=1` or `x+5=-1` then we found two solutions:
`x = -4` or `x = -6`