45n+42=3n

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Solution for 45n+42=3n equation: 



45n+42=3n

We move all terms to the left:

45n+42-(3n)=0

We add all the numbers together, and all the variables

42n+42=0

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

42n=-42

n=-42/42

n=-1

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