### Home > CCA2 > Chapter Ch2 > Lesson 2.1.2 > Problem 2-18

2-18.

Solve for *z* in each equation below. Homework Help ✎

Rewrite both sides of the equation so they have the same base. Now the exponents must be equal. Write an equation and solve for

*z*.Follow the steps in part (a). Notice that both 4 and 8 can be rewritten as powers of 2.

Follow the steps in part (a).

Get all the terms on one side of the equation, factor, and use the Zero Product Property.