Solve the following absolute value equation by first isolating the

Minerva Kline

Minerva Kline

Answered question

2021-12-04

Solve the following absolute value equation by first isolating the absolute value expression. Make sure to find all values of x.
|x+3|71=8

Answer & Explanation

Susan Yang

Susan Yang

Beginner2021-12-05Added 20 answers

|x+3|71=8
Add 1 to both side
|x+3|71+1=8+1
|x+3|7=9
multiply both sides by 7
7|x+3|7=9×7
|x+3|=63
Apply absolute rule: (if |u|=a, a>0 then u=a or u=-a)
x+3=-63 or x+3=63
x=-66 or x=60

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