83=-4(n-7)-7n

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Solution for 83=-4(n-7)-7n equation:



83=-4(n-7)-7n
We move all terms to the left:
83-(-4(n-7)-7n)=0
We calculate terms in parentheses: -(-4(n-7)-7n), so:
-4(n-7)-7n
We add all the numbers together, and all the variables
-7n-4(n-7)
We multiply parentheses
-7n-4n+28
We add all the numbers together, and all the variables
-11n+28
Back to the equation:
-(-11n+28)
We get rid of parentheses
11n-28+83=0
We add all the numbers together, and all the variables
11n+55=0
We move all terms containing n to the left, all other terms to the right
11n=-55
n=-55/11
n=-5

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