Question

Pls answer it very fast

Answer 1

Answer is (d) 3

Explanation:

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

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

-4+3x = 5 [divided by 7/12 everypart]

3x =5+4

3x=9

x=9/3

x=3

Answer 2

When in doubt guess c is what they say