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+14=0

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

-2n=-14

n=-14/-2

n=+7

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