X+x-7+x+x-7=x-7+x+9+x+2

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Solution for X+x-7+x+x-7=x-7+x+9+x+2 equation:



X+X-7+X+X-7=X-7+X+9+X+2
We move all terms to the left:
X+X-7+X+X-7-(X-7+X+9+X+2)=0
We add all the numbers together, and all the variables
X+X+X+X-(3X+4)-7-7=0
We add all the numbers together, and all the variables
4X-(3X+4)-14=0
We get rid of parentheses
4X-3X-4-14=0
We add all the numbers together, and all the variables
X-18=0
We move all terms containing X to the left, all other terms to the right
X=18

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