3x+9x+15=180

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Solution for 3x+9x+15=180 equation: 



3x+9x+15=180

We move all terms to the left:

3x+9x+15-(180)=0

We add all the numbers together, and all the variables

12x-165=0

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

12x=165

x=165/12

x=13+3/4

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