y=3x/4x+7

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Solution for y=3x/4x+7 equation: 


x in (-oo:+oo)

y = ((3*x)/4)*x+7 // - ((3*x)/4)*x+7

y-(((3*x)/4)*x)-7 = 0

(-3/4)*x^2+y-7 = 0

-3/4*x^2 = -(y-7) // : -3/4

x^2 = -4/3*(7-y)

x^2 = -4/3*(7-y) // ^ 1/2

abs(x) = (-4/3)^(1/2)*(7-y)^(1/2)

x = (-4/3)^(1/2)*(7-y)^(1/2) or x = -((-4/3)^(1/2)*(7-y)^(1/2))

x in { (-4/3)^(1/2)*(7-y)^(1/2), -((-4/3)^(1/2)*(7-y)^(1/2)) }

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