8a-2=(-9)+7a

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Solution for 8a-2=(-9)+7a equation: 



8a-2=(-9)+7a

We move all terms to the left:

8a-2-((-9)+7a)=0



We calculate terms in parentheses: -((-9)+7a), so:

(-9)+7a

determiningTheFunctionDomain
7a+(-9)

We add all the numbers together, and all the variables

7a-9

Back to the equation:

-(7a-9)



We get rid of parentheses

8a-7a+9-2=0

We add all the numbers together, and all the variables

a+7=0

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

a=-7

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