45-(3x+9)=3x+15+x

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Solution for 45-(3x+9)=3x+15+x equation: 



45-(3x+9)=3x+15+x

We move all terms to the left:

45-(3x+9)-(3x+15+x)=0

We add all the numbers together, and all the variables

-(3x+9)-(4x+15)+45=0

We get rid of parentheses

-3x-4x-9-15+45=0

We add all the numbers together, and all the variables

-7x+21=0

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

-7x=-21

x=-21/-7

x=+3

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