x+2x+3x=55

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Solution for x+2x+3x=55 equation: 



x+2x+3x=55

We move all terms to the left:

x+2x+3x-(55)=0

We add all the numbers together, and all the variables

6x-55=0

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

6x=55

x=55/6

x=9+1/6

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