CPM Homework Help : CCA Problem 3-84

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Home > CCA > Chapter 3 > Lesson 3.3.1 > Problem 3-84

3-84.

Solve for $x$ . Use any method. Check your solutions by testing them in the original equation.

$|x-3|=5$
Show (a):
$x−3=5$ or $x−3=−5$
$x=8$ or $x=−2$

$5\left|x\right|=35$
Hint (b):
Divide by $5$ , then solve.
Answer (b):
$x=\pm7$

$|x+1|=2$
Hint (c):
Use the same method as part (a).
Show (c):
$x=1$ or $−3$

$|x+3|=-2$
Hint (d):
Can an absolute value equal a negative number?

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