tentukan nilai x (1/64)^2x+3 = 4^2x+5

-3(2x+3)=2x+5
-6x-9=2x+5
-8x=14
x=-7/4

[tex] {2}^{ - 12x - 18} = {4}^{2x + 5} \\ {2}^{ - 12x - 18} = {2}^{4x + 10} \\ - 12x - 18 = 4x + 10 \\ - 12x - 4x = 10 + 18 \\ - 16x = 28 \\ x = \frac{28}{ - 16} \\ x = - \frac{7}{4} [/tex]
semoga membantu yaa