1/4x-3y=9

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Solution for 1/4x-3y=9 equation: 


x in (-oo:+oo)

(1/4)*x-(3*y) = 9 // - 9

(1/4)*x-(3*y)-9 = 0

(1/4)*x-3*y-9 = 0

1/4*x-3*y-9 = 0 // + -3*y-9

1/4*x = -(-3*y-9) // : 1/4

x = (-(-3*y-9))/1/4

x = 4*(9-(-3*y))

x = 4*(9-(-3*y))

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