3n-4(n+1)=15

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Solution for 3n-4(n+1)=15 equation: 



3n-4(n+1)=15

We move all terms to the left:

3n-4(n+1)-(15)=0

We multiply parentheses

3n-4n-4-15=0

We add all the numbers together, and all the variables

-1n-19=0

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

-n=19

n=19/-1

n=-19

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