4+9n=7n+8

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Solution for 4+9n=7n+8 equation: 



4+9n=7n+8

We move all terms to the left:

4+9n-(7n+8)=0

We get rid of parentheses

9n-7n-8+4=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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