5n-15=75

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Solution for 5n-15=75 equation: 



5n-15=75

We move all terms to the left:

5n-15-(75)=0

We add all the numbers together, and all the variables

5n-90=0

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

5n=90

n=90/5

n=18

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