nathan701
nathan701
16-10-2020
Mathematics
contestada
2/7 = 4/d need a step by step answer please
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valeanneth
valeanneth
16-10-2020
D is 14
2/7 = 4/d // - 4/d
2/7-(4/d) = 0
2/7-4*d^-1 = 0
-4*d^-1 = -2/7 // : -4
d^-1 = 1/14
-1 < 0
1/(d^1) = 1/14 // * d^1
1 = 1/14*d^1 // : 1/14
14 = d^1
d = 14
d = 14
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