85=-(-5a-5)+5a

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Solution for 85=-(-5a-5)+5a equation: 



85=-(-5a-5)+5a

We move all terms to the left:

85-(-(-5a-5)+5a)=0



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

-(-5a-5)+5a

We add all the numbers together, and all the variables

5a-(-5a-5)

We get rid of parentheses

5a+5a+5

We add all the numbers together, and all the variables

10a+5

Back to the equation:

-(10a+5)



We get rid of parentheses

-10a-5+85=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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