d/7=27/9

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Solution for d/7=27/9 equation: 


d in (-oo:+oo)

d/7 = 27/9 // - 27/9

d/7-(27/9) = 0

d/7-3 = 0

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

1/7*d = 3 // : 1/7

d = 3/1/7

d = 21

d = 21

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