Y-1=-1/2(x-1)

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Solution for Y-1=-1/2(x-1) equation:


x in (-oo:+oo)

Y-1 = (-1/2)*(x-1) // - (-1/2)*(x-1)

Y-((-1/2)*(x-1))-1 = 0

(1/2)*(x-1)+Y-1 = 0

1/2*(x-1)+Y-1 = 0

1/2*(x-1)+Y-1 = 0

Y+1/2*x-1-1/2 = 0

Y+1/2*x-3/2 = 0

Y+1/2*x-3/2 = 0

Y+1/2*x-3/2 = 0 // - Y-3/2

1/2*x = -(Y-3/2) // : 1/2

x = (-(Y-3/2))/1/2

x = 2*(3/2-Y)

x = 2*(3/2-Y)

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