# calculus question.

**Question description**

solve each equation. show work please. I want to learn.

a. 5^(x+3)=(1/5)

b. e^(3x)=10

c. (log_3)3^x= -1

d. (log_pi)e <-- change of base formula

e. (log_2)(x+7)+(log_2)(x+8)=1

f. 1.2^x=(0.5)^-x

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