-9+7a=8(2a-5)-5

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Solution for -9+7a=8(2a-5)-5 equation: 



-9+7a=8(2a-5)-5

We move all terms to the left:

-9+7a-(8(2a-5)-5)=0



We calculate terms in parentheses: -(8(2a-5)-5), so:

8(2a-5)-5

We multiply parentheses

16a-40-5

We add all the numbers together, and all the variables

16a-45

Back to the equation:

-(16a-45)



We get rid of parentheses

7a-16a+45-9=0

We add all the numbers together, and all the variables

-9a+36=0

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

-9a=-36

a=-36/-9

a=+4

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