-1/9a-8=7

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Solution for -1/9a-8=7 equation: 



-1/9a-8=7

We move all terms to the left:

-1/9a-8-(7)=0



Domain of the equation: 9a!=0

a!=0/9

a!=0

a∈R



We add all the numbers together, and all the variables

-1/9a-15=0

We multiply all the terms by the denominator


-15*9a-1=0

Wy multiply elements

-135a-1=0

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

-135a=1

a=1/-135

a=-1/135

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