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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