45=n/10+42

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Solution for 45=n/10+42 equation: 



45=n/10+42

We move all terms to the left:

45-(n/10+42)=0

We get rid of parentheses

-n/10-42+45=0

We multiply all the terms by the denominator


-n-42*10+45*10=0

We add all the numbers together, and all the variables

-1n+30=0

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

-n=-30

n=-30/-1

n=+30

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