15=1+2n+5n

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Solution for 15=1+2n+5n equation: 



15=1+2n+5n

We move all terms to the left:

15-(1+2n+5n)=0

We add all the numbers together, and all the variables

-(7n+1)+15=0

We get rid of parentheses

-7n-1+15=0

We add all the numbers together, and all the variables

-7n+14=0

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

-7n=-14

n=-14/-7

n=+2

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