84=a/2+56

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Solution for 84=a/2+56 equation: 



84=a/2+56

We move all terms to the left:

84-(a/2+56)=0

We get rid of parentheses

-a/2-56+84=0

We multiply all the terms by the denominator


-a-56*2+84*2=0

We add all the numbers together, and all the variables

-1a+56=0

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

-a=-56

a=-56/-1

a=+56

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