x/21=4/14 - solution

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Solution for x/21=4/14 equation:

x in (-oo:+oo)

x/21 = 4/14 // - 4/14

x/21-(4/14) = 0

x/21-2/7 = 0

1/21*x-2/7 = 0 // + 2/7

1/21*x = 2/7 // : 1/21

x = 2/7/1/21

x = 6

x = 6

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