30+8n=45+7n

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Solution for 30+8n=45+7n equation: 



30+8n=45+7n

We move all terms to the left:

30+8n-(45+7n)=0

We add all the numbers together, and all the variables

8n-(7n+45)+30=0

We get rid of parentheses

8n-7n-45+30=0

We add all the numbers together, and all the variables

n-15=0

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

n=15

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