3-(2n+1)+7=-5

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Solution for 3-(2n+1)+7=-5 equation: 



3-(2n+1)+7=-5

We move all terms to the left:

3-(2n+1)+7-(-5)=0

We add all the numbers together, and all the variables

-(2n+1)+15=0

We get rid of parentheses

-2n-1+15=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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