-20n=-140

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Solution for -20n=-140 equation: 



-20n=-140

We move all terms to the left:

-20n-(-140)=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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