439+9=8(-7-7a)

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Solution for 439+9=8(-7-7a) equation: 



439+9=8(-7-7a)

We move all terms to the left:

439+9-(8(-7-7a))=0

We add all the numbers together, and all the variables

-(8(-7a-7))+439+9=0

We add all the numbers together, and all the variables

-(8(-7a-7))+448=0



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

8(-7a-7)

We multiply parentheses

-56a-56

Back to the equation:

-(-56a-56)



We get rid of parentheses

56a+56+448=0

We add all the numbers together, and all the variables

56a+504=0

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

56a=-504

a=-504/56

a=-9

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