-3x+9-5/7x=137/21

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Solution for -3x+9-5/7x=137/21 equation: 


x in (-oo:+oo)

9-3*x-((5/7)*x) = 137/21 // - 137/21

9-3*x-((5/7)*x)-(137/21) = 0

(-5/7)*x-3*x-137/21+9 = 0

52/21-26/7*x = 0 // - 52/21

-26/7*x = -52/21 // : -26/7

x = -52/21/(-26/7)

x = 2/3

x = 2/3

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