Whakaoti mō y
y=\frac{1}{2}-z
Whakaoti mō z
z=\frac{1}{2}-y
Tohaina
Kua tāruatia ki te papatopenga
z=\frac{1}{2}-y
Whakawehea ia wā o 1-2y ki te 2, kia riro ko \frac{1}{2}-y.
\frac{1}{2}-y=z
Whakawhitihia ngā taha kia puta ki te taha mauī ngā kīanga tau taurangi katoa.
-y=z-\frac{1}{2}
Tangohia te \frac{1}{2} mai i ngā taha e rua.
\frac{-y}{-1}=\frac{z-\frac{1}{2}}{-1}
Whakawehea ngā taha e rua ki te -1.
y=\frac{z-\frac{1}{2}}{-1}
Mā te whakawehe ki te -1 ka wetekia te whakareanga ki te -1.
y=\frac{1}{2}-z
Whakawehe z-\frac{1}{2} ki te -1.
z=\frac{1}{2}-y
Whakawehea ia wā o 1-2y ki te 2, kia riro ko \frac{1}{2}-y.
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