3x+45=9x-135

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Solution for 3x+45=9x-135 equation: 



3x+45=9x-135

We move all terms to the left:

3x+45-(9x-135)=0

We get rid of parentheses

3x-9x+135+45=0

We add all the numbers together, and all the variables

-6x+180=0

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

-6x=-180

x=-180/-6

x=+30

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