1+7n=9+5n

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Solution for 1+7n=9+5n equation: 



1+7n=9+5n

We move all terms to the left:

1+7n-(9+5n)=0

We add all the numbers together, and all the variables

7n-(5n+9)+1=0

We get rid of parentheses

7n-5n-9+1=0

We add all the numbers together, and all the variables

2n-8=0

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

2n=8

n=8/2

n=4

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