Question

please please tell the answer of 9th (iii)and (iv)​

Answer 1

Answer:

3×4^x=192

4^x=64

x=3

2^3x=2^3(4x+3)

3x=12x+9

x=-1

Answer 2

Answer:

iii) 12x =192

x= 192/12

x=16

iv)