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-27 = 8x - 5x

What does x equal?

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Kristi M. | Math and Chemistry TutorMath and Chemistry Tutor
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First you can combine like terms on the right side of the equation: 8x - 5x = 3x

So now your equation is:  -27 = 3x

Dividing both sides by 3 yields: -9 = x

So x = -9