Question

Kindly give a step-by-step solution and the person who will give the correct answer will be marked as a brainliest. (answer: -1)​

Answer 1

Step-by-step explanation:

according to law Am ÷An = (a)m-n

therefore (7/12)((a+8)-(-7a+4)) = 7/12(2a-(4a+6))

7/12(a+8+7a-4) = 7/12( 2a-4a+6)

by comparing the exponents

a+8+7a-4=2a-4a+6

8a+4=-2a+6

8a+2a=6-4

10a=2

a=2/10=1/5=(5)raise to -1

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