CPM Homework Help : INT1 Problem 5-110

Solve each equation.

Hint:

Review the Math Notes box in Lesson 1.3.2 for the laws of exponents.

Answer (b):

no solution

Hint (c):

Multiplying both sides by $6$ will 'bust the fraction'.

Hint (d):

$3^2$ can be substituted for the $9$ .

$3^{-1}$ can be substituted for $\frac{1}{3}$

$\left (3^{2} \right )^{x}=\left ( 3^{-1} \right )^{x+3}$