1a-81=9a+7

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Solution for 1a-81=9a+7 equation: 



1a-81=9a+7

We move all terms to the left:

1a-81-(9a+7)=0

We add all the numbers together, and all the variables

a-(9a+7)-81=0

We get rid of parentheses

a-9a-7-81=0

We add all the numbers together, and all the variables

-8a-88=0

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

-8a=88

a=88/-8

a=-11

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