5n-3=-15=7n

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Solution for 5n-3=-15=7n equation: 



5n-3=-15=7n

We move all terms to the left:

5n-3-(-15)=0

We add all the numbers together, and all the variables

5n+12=0

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

5n=-12

n=-12/5

n=-2+2/5

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