135=-5(1-4n)

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Solution for 135=-5(1-4n) equation:



135=-5(1-4n)
We move all terms to the left:
135-(-5(1-4n))=0
We add all the numbers together, and all the variables
-(-5(-4n+1))+135=0
We calculate terms in parentheses: -(-5(-4n+1)), so:
-5(-4n+1)
We multiply parentheses
20n-5
Back to the equation:
-(20n-5)
We get rid of parentheses
-20n+5+135=0
We add all the numbers together, and all the variables
-20n+140=0
We move all terms containing n to the left, all other terms to the right
-20n=-140
n=-140/-20
n=+7

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