9/4=3x/20

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Solution for 9/4=3x/20 equation: 


x in (-oo:+oo)

9/4 = (3*x)/20 // - (3*x)/20

9/4-((3*x)/20) = 0

(-3/20)*x+9/4 = 0

9/4-3/20*x = 0 // - 9/4

-3/20*x = -9/4 // : -3/20

x = -9/4/(-3/20)

x = 15

x = 15

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