x/3=7/1

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Solution for x/3=7/1 equation: 


x in (-oo:+oo)

x/3 = 7/1 // - 7/1

x/3-(7/1) = 0

x/3-7 = 0

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

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

x = 7/1/3

x = 21

x = 21

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