7(3-n)-4n=87

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Solution for 7(3-n)-4n=87 equation: 



7(3-n)-4n=87

We move all terms to the left:

7(3-n)-4n-(87)=0

We add all the numbers together, and all the variables

7(-1n+3)-4n-87=0

We add all the numbers together, and all the variables

-4n+7(-1n+3)-87=0

We multiply parentheses

-4n-7n+21-87=0

We add all the numbers together, and all the variables

-11n-66=0

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

-11n=66

n=66/-11

n=-6

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