x/7=5/21 - solution

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Solution for x/7=5/21 equation:

x in (-oo:+oo)

x/7 = 5/21 // - 5/21

x/7-(5/21) = 0

x/7-5/21 = 0

1/7*x-5/21 = 0 // + 5/21

1/7*x = 5/21 // : 1/7

x = 5/21/1/7

x = 5/3

x = 5/3

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