8-7a=-6a=9

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Solution for 8-7a=-6a=9 equation: 



8-7a=-6a=9

We move all terms to the left:

8-7a-(-6a)=0

We get rid of parentheses

-7a+6a+8=0

We add all the numbers together, and all the variables

-1a+8=0

We move all terms containing a to the left, all other terms to the right

-a=-8

a=-8/-1

a=+8

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