-3(4-n)-5=7

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Solution for -3(4-n)-5=7 equation: 



-3(4-n)-5=7

We move all terms to the left:

-3(4-n)-5-(7)=0

We add all the numbers together, and all the variables

-3(-1n+4)-5-7=0

We add all the numbers together, and all the variables

-3(-1n+4)-12=0

We multiply parentheses

3n-12-12=0

We add all the numbers together, and all the variables

3n-24=0

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

3n=24

n=24/3

n=8

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