X+y+X=100

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Solution for X+y+X=100 equation:



X+X+X=100
We move all terms to the left:
X+X+X-(100)=0
We add all the numbers together, and all the variables
3X-100=0
We move all terms containing X to the left, all other terms to the right
3X=100
X=100/3
X=33+1/3

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