Whakaoti mō y
y=-0.3125
Graph
Tohaina
Kua tāruatia ki te papatopenga
4.375-1.25=1\left(-10\right)y
Whakareatia te 1 ki te -1.25, ka -1.25.
3.125=1\left(-10\right)y
Tangohia te 1.25 i te 4.375, ka 3.125.
3.125=-10y
Whakareatia te 1 ki te -10, ka -10.
-10y=3.125
Whakawhitihia ngā taha kia puta ki te taha mauī ngā kīanga tau taurangi katoa.
y=\frac{3.125}{-10}
Whakawehea ngā taha e rua ki te -10.
y=\frac{3125}{-10000}
Whakarohaina te \frac{3.125}{-10} mā te whakarea i te taurunga me te tauraro ki te 1000.
y=-\frac{5}{16}
Whakahekea te hautanga \frac{3125}{-10000} ki ōna wāhi pāpaku rawa mā te tango me te whakakore i te 625.
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