7n-20=17n+20

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Solution for 7n-20=17n+20 equation: 



7n-20=17n+20

We move all terms to the left:

7n-20-(17n+20)=0

We get rid of parentheses

7n-17n-20-20=0

We add all the numbers together, and all the variables

-10n-40=0

We move all terms containing n to the left, all other terms to the right

-10n=40

n=40/-10

n=-4

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