2n+5n-3=-21

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Solution for 2n+5n-3=-21 equation: 



2n+5n-3=-21

We move all terms to the left:

2n+5n-3-(-21)=0

We add all the numbers together, and all the variables

7n+18=0

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

7n=-18

n=-18/7

n=-2+4/7

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