15-7n=-55

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Solution for 15-7n=-55 equation: 



15-7n=-55

We move all terms to the left:

15-7n-(-55)=0

We add all the numbers together, and all the variables

-7n+70=0

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

-7n=-70

n=-70/-7

n=+10

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