7+2n=-3;5

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Solution for 7+2n=-3;5 equation: 



7+2n=-35

We move all terms to the left:

7+2n-(-35)=0

We add all the numbers together, and all the variables

2n+42=0

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

2n=-42

n=-42/2

n=-21

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