# Chapter 2 - Section 2.1 - The Addition Property of Equality - Exercise Set - Page 120: 30

y= -$\frac{1}{8}$

#### Work Step by Step

Add $\frac{1}{8}$ to both sides of the equation to isolate the variable. -$\frac{1}{8}$+y=-$\frac{1}{4}$ y=-$\frac{1}{4}$+$\frac{1}{8}$ y=-$\frac{2}{8}$+$\frac{1}{8}$ y=-$\frac{1}{8}$ Check the answer. -$\frac{1}{8}$+(-$\frac{1}{8}$)=-$\frac{1}{4}$ -$\frac{2}{8}$=-$\frac{1}{4}$ -$\frac{1}{4}$=-$\frac{1}{4}$

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