1+2n-1=-7-5n

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



1+2n-1=-7-5n

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We add all the numbers together, and all the variables

2n-(-5n-7)=0

We get rid of parentheses

2n+5n+7=0

We add all the numbers together, and all the variables

7n+7=0

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

7n=-7

n=-7/7

n=-1

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