5n-7+2n=7

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Solution for 5n-7+2n=7 equation: 



5n-7+2n=7

We move all terms to the left:

5n-7+2n-(7)=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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