Chapter 2 - Solving Equations - 2-7 Solving Proportions - Practice and Problem-Solving Exercises - Page 127: 11

$-19\frac{1}{2}=x$

$\frac{-3}{4}=\frac{x}{26}\longrightarrow$ multiply both sides by 26 to solve for x $\frac{-3}{4}\times26=\frac{x}{26}\times26\longrightarrow$ simplify $\frac{-78}{4}=x\longrightarrow$ reduce $-19\frac{2}{4}=x\longrightarrow$ reduce $-19\frac{2\div2}{4\div2}=x\longrightarrow$ simplify $-19\frac{1}{2}=x$