7+(12-n)=84

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Solution for 7+(12-n)=84 equation: 



7+(12-n)=84

We move all terms to the left:

7+(12-n)-(84)=0

We add all the numbers together, and all the variables

(-1n+12)+7-84=0

We add all the numbers together, and all the variables

(-1n+12)-77=0

We get rid of parentheses

-1n+12-77=0

We add all the numbers together, and all the variables

-1n-65=0

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

-n=65

n=65/-1

n=-65

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