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3 years ago

Solve for x: |3x + 12| = 18

Mathematics

1 answer:

Alla [95]3 years ago

4 0

Answer:

X = 2 or X = -10

Step-by-step explanation:

We know either3x+12=18or3x+12=−18

3x+12=18(Possibility 1)

3x+12−12=18−12(Subtract 12 from both sides)

3x=6

(Divide both sides by 3)

x=2

3x+12=−18(Possibility 2)

3x+12−12=−18−12(Subtract 12 from both sides)

3x=−30

−30

(Divide both sides by 3)

x=−10

Answer:

x=2 or x=−10

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Answer:

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Step-by-step explanation:

The complete question in the attached figure

we know that

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