Whakaoti mō y
y = \frac{48}{7} = 6\frac{6}{7} \approx 6.857142857
Graph
Tohaina
Kua tāruatia ki te papatopenga
-1=7\left(y-7\right)
Tē taea kia ōrite te tāupe y ki 7 nā te kore tautuhi i te whakawehenga mā te kore. Whakareatia ngā taha e rua o te whārite ki te y-7.
-1=7y-49
Whakamahia te āhuatanga tohatoha hei whakarea te 7 ki te y-7.
7y-49=-1
Whakawhitihia ngā taha kia puta ki te taha mauī ngā kīanga tau taurangi katoa.
7y=-1+49
Me tāpiri te 49 ki ngā taha e rua.
7y=48
Tāpirihia te -1 ki te 49, ka 48.
y=\frac{48}{7}
Whakawehea ngā taha e rua ki te 7.
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