Chapter 3 - Section 3.3 - Solving Linear Equations in One Variable - Exercise Set - Page 190: 89

$x=-4$

$23(x+4)=32(x+4)$ $\longrightarrow$distributive property $23x+92=32x+128$ $\longrightarrow$addition property $23x+92-23x-128=32x+128-23x-128$ $\longrightarrow$ simplify $-36=9x$ $\longrightarrow$multiplication property $-36\div9=9x\div9$ $\longrightarrow$simplify $-4=x$