128.5=11.5a

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Solution for 128.5=11.5a equation: 



128.5=11.5a

We move all terms to the left:

128.5-(11.5a)=0

We add all the numbers together, and all the variables

-(+11.5a)+128.5=0

We get rid of parentheses

-11.5a+128.5=0

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

-11.5a=-128.5

a=-128.5/-11.5

a=11+2/11.5

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