12x/20=21x/28

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Solution for 12x/20=21x/28 equation: 


x in (-oo:+oo)

(12*x)/20 = (21*x)/28 // - (21*x)/28

(12*x)/20-((21*x)/28) = 0

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

-3/20*x = 0 // : -3/20

x = 0

x = 0

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