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What is 3x-12=-15? I need to know
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What is 3x-12=-15?

I need to know

User Wednesday
by
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1 Answer

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3x - 12 = -15

Add 12 on both sides.

-12 + 12 = 0

-15 + 12 = -3

The equation is now 3x = -3.

Divide both sides by 3 to isolate the variable.

3x / 3 = x
-3 / 3 = -1

So, x = -1.
User SiBrit
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