Whakaoti mō f
f=\frac{y}{4}
Whakaoti mō y
y=4f
Graph
Tohaina
Kua tāruatia ki te papatopenga
\left(-f\right)\left(-4\right)=y
Whakawhitihia ngā taha kia puta ki te taha mauī ngā kīanga tau taurangi katoa.
4f=y
Whakareatia te -1 ki te -4, ka 4.
\frac{4f}{4}=\frac{y}{4}
Whakawehea ngā taha e rua ki te 4.
f=\frac{y}{4}
Mā te whakawehe ki te 4 ka wetekia te whakareanga ki te 4.
y=4f
Whakareatia te -1 ki te -4, ka 4.
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