(3n-4)+(8n+9)=87

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Solution for (3n-4)+(8n+9)=87 equation: 



(3n-4)+(8n+9)=87

We move all terms to the left:

(3n-4)+(8n+9)-(87)=0

We get rid of parentheses

3n+8n-4+9-87=0

We add all the numbers together, and all the variables

11n-82=0

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

11n=82

n=82/11

n=7+5/11

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