-6x+9+3/4x=30 - solution

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Solution for -6x+9+3/4x=30 equation:

x in (-oo:+oo)

(3/4)*x-6*x+9 = 30 // - 30

(3/4)*x-6*x-30+9 = 0

-21/4*x-21 = 0 // + 21

-21/4*x = 21 // : -21/4

x = 21/(-21/4)

x = -4

x = -4

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