Whakaoti mō p
p = \frac{9}{7} = 1\frac{2}{7} \approx 1.285714286
Tohaina
Kua tāruatia ki te papatopenga
2p=9\left(p-1\right)
Tē taea kia ōrite te tāupe p ki 0 nā te kore tautuhi i te whakawehenga mā te kore. Me whakarea ngā taha e rua o te whārite ki te 9p, arā, te tauraro pātahi he tino iti rawa te kitea o 9,p.
2p=9p-9
Whakamahia te āhuatanga tohatoha hei whakarea te 9 ki te p-1.
2p-9p=-9
Tangohia te 9p mai i ngā taha e rua.
-7p=-9
Pahekotia te 2p me -9p, ka -7p.
p=\frac{-9}{-7}
Whakawehea ngā taha e rua ki te -7.
p=\frac{9}{7}
Ka taea te hautanga \frac{-9}{-7} te whakamāmā ki te \frac{9}{7} mā te tango tahi i te tohu tōraro i te taurunga me te tauraro.
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