7n+4=5n+20

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Solution for 7n+4=5n+20 equation: 



7n+4=5n+20

We move all terms to the left:

7n+4-(5n+20)=0

We get rid of parentheses

7n-5n-20+4=0

We add all the numbers together, and all the variables

2n-16=0

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

2n=16

n=16/2

n=8

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