20.5+5.5a=5(2.5a-8)

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Solution for 20.5+5.5a=5(2.5a-8) equation: 



20.5+5.5a=5(2.5a-8)

We move all terms to the left:

20.5+5.5a-(5(2.5a-8))=0



We calculate terms in parentheses: -(5(2.5a-8)), so:

5(2.5a-8)

We multiply parentheses

10a-40

Back to the equation:

-(10a-40)



We get rid of parentheses

5.5a-10a+40+20.5=0

We add all the numbers together, and all the variables

-4.5a+60.5=0

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

-4.5a=-60.5

a=-60.5/-4.5

a=13+1/2.25

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