y=1/2x*4.5+4

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Solution for y=1/2x*4.5+4 equation: 


x in (-oo:+oo)

y = 4.5*(1/2)*x+4 // - 4.5*(1/2)*x+4

y-(4.5*(1/2)*x)-4 = 0

y-2.25*x-4 = 0

y-2.25*x-4 = 0 // - y-4

-2.25*x = -(y-4) // : -2.25

x = (-(y-4))/(-2.25)

x = -0.44444444*(4-y)

x = -0.44444444*(4-y)

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