x/21=28/12

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Solution for x/21=28/12 equation: 


x in (-oo:+oo)

x/21 = 28/12 // - 28/12

x/21-(28/12) = 0

x/21-7/3 = 0

1/21*x-7/3 = 0 // + 7/3

1/21*x = 7/3 // : 1/21

x = 7/3/1/21

x = 49

x = 49

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