-90=2(-4n+4)-6n

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Solution for -90=2(-4n+4)-6n equation:



-90=2(-4n+4)-6n
We move all terms to the left:
-90-(2(-4n+4)-6n)=0
We calculate terms in parentheses: -(2(-4n+4)-6n), so:
2(-4n+4)-6n
We add all the numbers together, and all the variables
-6n+2(-4n+4)
We multiply parentheses
-6n-8n+8
We add all the numbers together, and all the variables
-14n+8
Back to the equation:
-(-14n+8)
We get rid of parentheses
14n-8-90=0
We add all the numbers together, and all the variables
14n-98=0
We move all terms containing n to the left, all other terms to the right
14n=98
n=98/14
n=7

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