1-2n=-3

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Solution for 1-2n=-3 equation: 



1-2n=-3

We move all terms to the left:

1-2n-(-3)=0

We add all the numbers together, and all the variables

-2n+4=0

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

-2n=-4

n=-4/-2

n=+2

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