y=-7/4x

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Solution for y=-7/4x equation: 


x in (-oo:+oo)

y = (-7/4)*x // - (-7/4)*x

y-((-7/4)*x) = 0

(7/4)*x+y = 0

7/4*x+y = 0 // - y

7/4*x = -y // : 7/4

x = -y/7/4

x = -4/7*y

x = -4/7*y

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