84=4(a-68)

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Solution for 84=4(a-68) equation: 



84=4(a-68)

We move all terms to the left:

84-(4(a-68))=0



We calculate terms in parentheses: -(4(a-68)), so:

4(a-68)

We multiply parentheses

4a-272

Back to the equation:

-(4a-272)



We get rid of parentheses

-4a+272+84=0

We add all the numbers together, and all the variables

-4a+356=0

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

-4a=-356

a=-356/-4

a=+89

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