-35=-2n+21

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Solution for -35=-2n+21 equation: 



-35=-2n+21

We move all terms to the left:

-35-(-2n+21)=0

We get rid of parentheses

2n-21-35=0

We add all the numbers together, and all the variables

2n-56=0

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

2n=56

n=56/2

n=28

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