7n-9=5n-5

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Solution for 7n-9=5n-5 equation: 



7n-9=5n-5

We move all terms to the left:

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

We get rid of parentheses

7n-5n+5-9=0

We add all the numbers together, and all the variables

2n-4=0

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

2n=4

n=4/2

n=2

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