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X+-3X/7+2X=0
We add all the numbers together, and all the variables
3X-3X/7=0
We multiply all the terms by the denominator
3X*7-3X=0
We add all the numbers together, and all the variables
-3X+3X*7=0
Wy multiply elements
-3X+21X=0
We add all the numbers together, and all the variables
18X=0
X=0/18
X=0
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