4n/10+7/10=5n/10-7

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Solution for 4n/10+7/10=5n/10-7 equation: 



4n/10+7/10=5n/10-7

We move all terms to the left:

4n/10+7/10-(5n/10-7)=0

We get rid of parentheses

4n/10-5n/10+7+7/10=0

We multiply all the terms by the denominator


4n-5n+7+7*10=0

We add all the numbers together, and all the variables

-1n+77=0

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

-n=-77

n=-77/-1

n=+77

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