1+2n-8=-21

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Solution for 1+2n-8=-21 equation: 



1+2n-8=-21

We move all terms to the left:

1+2n-8-(-21)=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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