3=7-5n

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Solution for 3=7-5n equation: 



3=7-5n

We move all terms to the left:

3-(7-5n)=0

We add all the numbers together, and all the variables

-(-5n+7)+3=0

We get rid of parentheses

5n-7+3=0

We add all the numbers together, and all the variables

5n-4=0

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

5n=4

n=4/5

n=4/5

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