-28.5+7a=-5.5(4a+8)

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Solution for -28.5+7a=-5.5(4a+8) equation: 



-28.5+7a=-5.5(4a+8)

We move all terms to the left:

-28.5+7a-(-5.5(4a+8))=0



We calculate terms in parentheses: -(-5.5(4a+8)), so:

-5.5(4a+8)

We multiply parentheses

-22a-44

Back to the equation:

-(-22a-44)



We get rid of parentheses

7a+22a+44-28.5=0

We add all the numbers together, and all the variables

29a+15.5=0

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

29a=-15.5

a=-15.5/29

a=-10.3333333333/19.3333333333

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