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3*y-(14/2) = 4.5*x-7+6 // - 4.5*x-7+6
3*y-(4.5*x)-(14/2)-6+7 = 0
3*y-4.5*x-7-6+7 = 0
3*y-4.5*x-6 = 0 // - 3*y-6
-4.5*x = -(3*y-6) // : -4.5
x = (-(3*y-6))/(-4.5)
x = -0.22222222*(6-(3*y))
x = -0.22222222*(6-(3*y))
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