3(4n+5)=87

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Solution for 3(4n+5)=87 equation: 



3(4n+5)=87

We move all terms to the left:

3(4n+5)-(87)=0

We multiply parentheses

12n+15-87=0

We add all the numbers together, and all the variables

12n-72=0

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

12n=72

n=72/12

n=6

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