-45=7x+2x+9

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Solution for -45=7x+2x+9 equation: 



-45=7x+2x+9

We move all terms to the left:

-45-(7x+2x+9)=0

We add all the numbers together, and all the variables

-(9x+9)-45=0

We get rid of parentheses

-9x-9-45=0

We add all the numbers together, and all the variables

-9x-54=0

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

-9x=54

x=54/-9

x=-6

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