500=10+7n-7

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Solution for 500=10+7n-7 equation: 



500=10+7n-7

We move all terms to the left:

500-(10+7n-7)=0

We add all the numbers together, and all the variables

-(7n+3)+500=0

We get rid of parentheses

-7n-3+500=0

We add all the numbers together, and all the variables

-7n+497=0

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

-7n=-497

n=-497/-7

n=+71

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