Question

please give the correct answer..​

Answer 1

Answer:

5-7=4x

-2/4=x

-1/2=x

.........

Answer 2

Step-by-step explanation:

(2/3)^5x(2/3)^-7=(2/3)^4x

5-7=4x

-2=4x

x=-2/4= -1/2