7=-5n+20-3

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Solution for 7=-5n+20-3 equation: 



7=-5n+20-3

We move all terms to the left:

7-(-5n+20-3)=0

We add all the numbers together, and all the variables

-(-5n+17)+7=0

We get rid of parentheses

5n-17+7=0

We add all the numbers together, and all the variables

5n-10=0

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

5n=10

n=10/5

n=2

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