2/5x-y=-1

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Solution for 2/5x-y=-1 equation: 


x in (-oo:+oo)

(2/5)*x-y = -1 // + 1

(2/5)*x-y+1 = 0

2/5*x-y+1 = 0 // - 1-y

2/5*x = -(1-y) // : 2/5

x = (-(1-y))/2/5

x = 5/2*(y-1)

x = 5/2*(y-1)

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