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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