Answer:
x = {2, -10}
Explanation:
In this equation, you can solve for x like this:
To get 2:
3x + 12 = 18 (Subtract 12 from both sides)
3x = 6 (Divide both sides by 3)
x = 2
To get -10:
3x + 12 = -18
3x = -30
x = -10
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