Y=x/2-1 - solution

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Solution for Y=x/2-1 equation:

x in (-oo:+oo)

Y = x/2-1 // - x/2-1

Y-(x/2)+1 = 0

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

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

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

x = 2*(Y+1)

x = 2*(Y+1)

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