Whakaoti mō y
y=40
Graph
Tohaina
Kua tāruatia ki te papatopenga
65-y=0.625y
Tē taea kia ōrite te tāupe y ki 0 nā te kore tautuhi i te whakawehenga mā te kore. Whakareatia ngā taha e rua o te whārite ki te y.
65-y-0.625y=0
Tangohia te 0.625y mai i ngā taha e rua.
65-1.625y=0
Pahekotia te -y me -0.625y, ka -1.625y.
-1.625y=-65
Tangohia te 65 mai i ngā taha e rua. Ko te tau i tango i te kore ka hua ko tōna korenga.
y=\frac{-65}{-1.625}
Whakawehea ngā taha e rua ki te -1.625.
y=\frac{-65000}{-1625}
Whakarohaina te \frac{-65}{-1.625} mā te whakarea i te taurunga me te tauraro ki te 1000.
y=40
Whakawehea te -65000 ki te -1625, kia riro ko 40.
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