## Intermediate Algebra for College Students (7th Edition)

$x=sz + \mu$
Multiply $s$ to both sides to find: $s \cdot z = s \cdot \dfrac{x - \mu}{s} \\sz = x - \mu$ Add $\mu$ to both sides to find: $sz + \mu = x-\mu+\mu \\sz+\mu = x \\x=sz + \mu$