Question

3/4^3a*3/4^2a-3=3/4^2a+15

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Answer 1

Answer:

a=6

Step-by-step explanation:

$\frac{3}{4} ^{3a}*\frac{3}{4} ^{2a-3} =\frac{3}{4}^{2a+15}$

⇒$\frac{3}{4}^{5a-3} =\frac{3}{4}^{2a+15}$

⇒5a-3=2a+15

⇒3a=18

⇒$a=\frac{18}{3}$

⇒a=6