83=-7+2(5-5a)

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Solution for 83=-7+2(5-5a) equation: 



83=-7+2(5-5a)

We move all terms to the left:

83-(-7+2(5-5a))=0

We add all the numbers together, and all the variables

-(-7+2(-5a+5))+83=0



We calculate terms in parentheses: -(-7+2(-5a+5)), so:

-7+2(-5a+5)

determiningTheFunctionDomain
2(-5a+5)-7

We multiply parentheses

-10a+10-7

We add all the numbers together, and all the variables

-10a+3

Back to the equation:

-(-10a+3)



We get rid of parentheses

10a-3+83=0

We add all the numbers together, and all the variables

10a+80=0

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

10a=-80

a=-80/10

a=-8

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