Question

2{3^(x) −3^(x−1)} =324
Value of x? ​

Answer 1

Answer:

5

Hope it will help you...

Answer 2

3^x = 3×3^(x-1)

2( 3× 3^(x-1) - 3^(x-1)) =324

2*3^(x-1) = 324/2

3^(x-1) = 324/4 =81 = 3⁴

x-1=4

x=5