x+2x=1400

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Solution for x+2x=1400 equation: 



x+2x=1400

We move all terms to the left:

x+2x-(1400)=0

We add all the numbers together, and all the variables

3x-1400=0

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

3x=1400

x=1400/3

x=466+2/3

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