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8/9-3*x-(3*x) = -65/18 // + -65/18
8/9-3*x-(3*x)-(-65/18) = 0
8/9-3*x-3*x+65/18 = 0
9/2-6*x = 0 // - 9/2
-6*x = -9/2 // : -6
x = -9/2/(-6)
x = 3/4
x = 3/4
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