2/3+2/7x=31/42

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Solution for 2/3+2/7x=31/42 equation: 


x in (-oo:+oo)

(2/7)*x+2/3 = 31/42 // - 31/42

(2/7)*x+2/3-(31/42) = 0

(2/7)*x+2/3-31/42 = 0

2/7*x-1/14 = 0 // + 1/14

2/7*x = 1/14 // : 2/7

x = 1/14/2/7

x = 1/4

x = 1/4

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