17-a=-7(a-5)

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Solution for 17-a=-7(a-5) equation: 



17-a=-7(a-5)

We move all terms to the left:

17-a-(-7(a-5))=0

We add all the numbers together, and all the variables

-1a-(-7(a-5))+17=0



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

-7(a-5)

We multiply parentheses

-7a+35

Back to the equation:

-(-7a+35)



We get rid of parentheses

-1a+7a-35+17=0

We add all the numbers together, and all the variables

6a-18=0

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

6a=18

a=18/6

a=3

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