Question

Help please thank you

Answer 1

Explanation:

`((7)/(12)) ^(-4) *((7)/(12)) ^(3x) =((7)/(12)) ^(5) \\\\((7)/(12)) ^(-4+3x) =((7)/(12)) ^(5)`

same base;

-4+3x=5

or,3x=5+4

or,x=9/3

x=3