3/7x=4/5

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Solution for 3/7x=4/5 equation: 


x in (-oo:+oo)

(3/7)*x = 4/5 // - 4/5

(3/7)*x-(4/5) = 0

(3/7)*x-4/5 = 0

3/7*x-4/5 = 0 // + 4/5

3/7*x = 4/5 // : 3/7

x = 4/5/3/7

x = 28/15

x = 28/15

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