Question

8 power x-3 = 16 cube then find the value of x

Answer 1

8^(x-3)=16

2^(3x-9)=2^4

since base are same

therefore power will also same

3x-9=4

3x=13

x=13/3

Answer 2

8 power (x-3) = 16
2 power 3(x-3) = 2 power 4
since base is equal then by cancelling 2
3(x-2) = 4
3x - 6 = 4
3x = 4+6
3x = 10
x = 10/3
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