-2(n+-45)=42

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Solution for -2(n+-45)=42 equation: 



-2(n+-45)=42

We move all terms to the left:

-2(n+-45)-(42)=0

We add all the numbers together, and all the variables

-2(n-45)-42=0

We multiply parentheses

-2n+90-42=0

We add all the numbers together, and all the variables

-2n+48=0

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

-2n=-48

n=-48/-2

n=+24

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