2/7=1/3a

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Solution for 2/7=1/3a equation: 


a in (-oo:+oo)

2/7 = (1/3)*a // - (1/3)*a

2/7-((1/3)*a) = 0

(-1/3)*a+2/7 = 0

2/7-1/3*a = 0 // - 2/7

-1/3*a = -2/7 // : -1/3

a = -2/7/(-1/3)

a = 6/7

a = 6/7

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