2n-9n=-63+12

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Solution for 2n-9n=-63+12 equation: 



2n-9n=-63+12

We move all terms to the left:

2n-9n-(-63+12)=0

We add all the numbers together, and all the variables

2n-9n-(-51)=0

We add all the numbers together, and all the variables

-7n+51=0

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

-7n=-51

n=-51/-7

n=7+2/7

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