-72=4(-2+4n)

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Solution for -72=4(-2+4n) equation:



-72=4(-2+4n)
We move all terms to the left:
-72-(4(-2+4n))=0
We add all the numbers together, and all the variables
-(4(4n-2))-72=0
We calculate terms in parentheses: -(4(4n-2)), so:
4(4n-2)
We multiply parentheses
16n-8
Back to the equation:
-(16n-8)
We get rid of parentheses
-16n+8-72=0
We add all the numbers together, and all the variables
-16n-64=0
We move all terms containing n to the left, all other terms to the right
-16n=64
n=64/-16
n=-4

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