x+2x=219

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Solution for x+2x=219 equation: 



x+2x=219

We move all terms to the left:

x+2x-(219)=0

We add all the numbers together, and all the variables

3x-219=0

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

3x=219

x=219/3

x=73

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