-3-5n=7-7n

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Solution for -3-5n=7-7n equation: 



-3-5n=7-7n

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We get rid of parentheses

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

We add all the numbers together, and all the variables

2n-10=0

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

2n=10

n=10/2

n=5

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