19-5n=-21

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Solution for 19-5n=-21 equation: 



19-5n=-21

We move all terms to the left:

19-5n-(-21)=0

We add all the numbers together, and all the variables

-5n+40=0

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

-5n=-40

n=-40/-5

n=+8

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