5+7n=15+5n

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Solution for 5+7n=15+5n equation: 



5+7n=15+5n

We move all terms to the left:

5+7n-(15+5n)=0

We add all the numbers together, and all the variables

7n-(5n+15)+5=0

We get rid of parentheses

7n-5n-15+5=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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