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Y = (2/6)*x-3.3 // - (2/6)*x-3.3
Y-((2/6)*x)+3.3 = 0
Y+(-1/3)*x+3.3 = 0
Y-1/3*x+3.3 = 0 // - Y+3.3
-1/3*x = -(Y+3.3) // : -1/3
x = (-(Y+3.3))/(-1/3)
x = 3*(Y+3.3)
x = 3*(Y+3.3)
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