x/0.2=21/7 - solution

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Solution for x/0.2=21/7 equation:

x in (-oo:+oo)

x/0.2 = 21/7 // - 21/7

x/0.2-(21/7) = 0

x/0.2-3 = 0

5*x-3 = 0 // + 3

5*x = 3 // : 5

x = 3/5

x = 3/5

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