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|3x+9|= 30 Answer: x=7, -13
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3 votes
|3x+9|= 30

Answer: x=7, -13

User Kristo
by
9.0k points

1 Answer

4 votes

Answer:


\boxed{x=7, \: x=-13}

Explanation:


|3x+9|= 30

Solve for absolute value.

There are two possibilities.

One possibility:


3x+9=30\\3x=21\\x=7

Second possibility:


3x+9=-30\\3x=-39\\x=-13

User Bbrinck
by
8.3k points
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