-3(-3-3n)=45

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Solution for -3(-3-3n)=45 equation: 



-3(-3-3n)=45

We move all terms to the left:

-3(-3-3n)-(45)=0

We add all the numbers together, and all the variables

-3(-3n-3)-45=0

We multiply parentheses

9n+9-45=0

We add all the numbers together, and all the variables

9n-36=0

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

9n=36

n=36/9

n=4

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