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X+2X+7=4X-X+2
We move all terms to the left:
X+2X+7-(4X-X+2)=0
We add all the numbers together, and all the variables
X+2X-(3X+2)+7=0
We add all the numbers together, and all the variables
3X-(3X+2)+7=0
We get rid of parentheses
3X-3X-2+7=0
We add all the numbers together, and all the variables
5!=0
There is no solution for this equation
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