Answers to Matched Exercises

Answers to the matched exercises in Solve Equations with Absolute Value are presented.


Matched Exercise 1: Solve the equation

|-x - 8 | = 10
Answer to Matched Exercise 1:
The above equation has two solutions
x = 2
x = -18

Matched Exercise 2: Solve the equation
4 |x + 2 | - 30 = -10
Answer to Matched Exercise 2:
The above equation has two solutions
x = 3
x = -7

Matched Exercise 3:Solve the equation
- 4 | x + 2 | = x - 8
Answer to Matched Exercise 3:
The above equation has two solutions
x = 0
x = -16/3

Matched Exercise 4: Solve the equation
|x2 - 16 | = x - 4
Answer to Matched Exercise 4:
The above equation has one solution
x = 4
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Solve Equations, Systems of Equations and Inequalities.