Answers

The Brainliest Answer!
2016-02-08T10:33:49+08:00
15=-x/4
15=-(-60)/4
15=60/4
15=15

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2016-02-08T10:34:23+08:00
I only used MPE (Multiplication Property of Equality)

15= \frac{-x}{4} \\4(15= \frac{-x}{4} )4\\-1(60=-x)-1\\-60=x\\checking:\\15= \frac{-(-60)}{4} \\15= \frac{60}{4}\\15=15
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