(3/4)x-9=7x

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Solution for (3/4)x-9=7x equation: 


x in (-oo:+oo)

(3/4)*x-9 = 7*x // - 7*x

(3/4)*x-(7*x)-9 = 0

(3/4)*x-7*x-9 = 0

-25/4*x-9 = 0 // + 9

-25/4*x = 9 // : -25/4

x = 9/(-25/4)

x = -36/25

x = -36/25

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