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lesya [120]
2 years ago
6

Solve for x: |2x + 12| = 18 (5 points) x = 3, x = −3 x = 3, x = −15 x = 15, x = −15 x = −3, x = 15

Mathematics
1 answer:
Snowcat [4.5K]2 years ago
7 0

Answer:

x=3\text{ or } x=-15

Step-by-step explanation:

So we have the equation:

|2x+12|=18

Definition of Absolute Value:

2x+12=18\text{ or } 2x+12=-18

Subtract 12 from both sides for both equations:

2x=6\text{ or } 2x=-30

Divide both sides by 2 for both equations:

x=3\text{ or } x=-15

And we're done!

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