Question

Find the value of y if 3^2y−5 = 27

Answer 1

$\huge \tt {3}^{2} y = 27 + 5 = 32$

$\huge \tt 9y = 32 \implies y = \frac{32}{9}$

Answer 2

Answer:

3^2y−5 = 27

3^2y−5 = 3³

=> 2y-5 = 3

2y = 3+5

y = 8/2

y = 4