X+7+x+x-11=149

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Solution for X+7+x+x-11=149 equation: 



X+7+X+X-11=149

We move all terms to the left:

X+7+X+X-11-(149)=0

We add all the numbers together, and all the variables

3X-153=0

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

3X=153

X=153/3

X=51

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