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+1/2+1 = 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*(Y+3/2)

x = -2*(Y+3/2)

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