Chapter R - Section R.4 - Properties of Real Numbers - R.4 Exercises: 49

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Work Step by Step

The inverse property of addition holds that $a+(-a)=0$ (for some real number $a$). Therefore, $-\frac{1}{4}ty+\frac{1}{4}ty=\frac{1}{4}ty+(-\frac{1}{4}ty)=0$.

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