9/4x-y=9

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Solution for 9/4x-y=9 equation: 


x in (-oo:+oo)

(9/4)*x-y = 9 // - 9

(9/4)*x-y-9 = 0

9/4*x-y-9 = 0 // + -y-9

9/4*x = -(-y-9) // : 9/4

x = (-(-y-9))/9/4

x = 4/9*(y+9)

x = 4/9*(y+9)

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