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6-((7*x)/2)-3 = x/9 // - x/9
6-((7*x)/2)-(x/9)-3 = 0
(-7/2)*x-(x/9)-3+6 = 0
3-65/18*x = 0 // - 3
-65/18*x = -3 // : -65/18
x = -3/(-65/18)
x = 54/65
x = 54/65
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