x+2x+7=250

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Solution for x+2x+7=250 equation: 



X+2X+7=250

We move all terms to the left:

X+2X+7-(250)=0

We add all the numbers together, and all the variables

3X-243=0

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

3X=243

X=243/3

X=81

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