9n+30=7n+50

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Solution for 9n+30=7n+50 equation: 



9n+30=7n+50

We move all terms to the left:

9n+30-(7n+50)=0

We get rid of parentheses

9n-7n-50+30=0

We add all the numbers together, and all the variables

2n-20=0

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

2n=20

n=20/2

n=10

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