4/7*x=3/21

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Solution for 4/7*x=3/21 equation: 


x in (-oo:+oo)

(4/7)*x = 3/21 // - 3/21

(4/7)*x-(3/21) = 0

(4/7)*x-1/7 = 0

4/7*x-1/7 = 0 // + 1/7

4/7*x = 1/7 // : 4/7

x = 1/7/4/7

x = 1/4

x = 1/4

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