SOLUTION: Solve the absolute value equation: |7x + 28| _______ = 7 4

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Question 252623: Solve the absolute value equation:
|7x + 28|
_______ = 7
4
Answer by ankor@dixie-net.com(22740) About Me  (Show Source):
You can put this solution on YOUR website!
|7x + 28|
_______ = 7
4
Multiply both sides by 4
|7x + 28| = 28
Two solutions
7x + 28 = 28
7x = 28 - 28
7x = 0
x = 0
and
7x + 28 = -28
7x = - 28 - 28
7x = -56
x = %28-56%29%2F7
x = -8