Question

6/7*(-9/7*-1/2)=(6/7*-9/7)*-1/2​

Answer 1

Answer:

(7/9)^-3   ( reciprocal of 9/7^3)

(49/81)^2x-6= (7/9)^2)^2x-6

now all the bases are equal that is 7/9 so on comparing the powers

-3+4x-12=9

4x=9+15

4x=24

x=6

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