3-7a=-7-(5a-8)

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Solution for 3-7a=-7-(5a-8) equation: 



3-7a=-7-(5a-8)

We move all terms to the left:

3-7a-(-7-(5a-8))=0



We calculate terms in parentheses: -(-7-(5a-8)), so:

-7-(5a-8)

determiningTheFunctionDomain
-(5a-8)-7

We get rid of parentheses

-5a+8-7

We add all the numbers together, and all the variables

-5a+1

Back to the equation:

-(-5a+1)



We get rid of parentheses

-7a+5a-1+3=0

We add all the numbers together, and all the variables

-2a+2=0

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

-2a=-2

a=-2/-2

a=1

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