Whakaoti mō x
x=\frac{9-y}{8}
Whakaoti mō y
y=9-8x
Graph
Tohaina
Kua tāruatia ki te papatopenga
9-8x=y
Whakawhitihia ngā taha kia puta ki te taha mauī ngā kīanga tau taurangi katoa.
-8x=y-9
Tangohia te 9 mai i ngā taha e rua.
\frac{-8x}{-8}=\frac{y-9}{-8}
Whakawehea ngā taha e rua ki te -8.
x=\frac{y-9}{-8}
Mā te whakawehe ki te -8 ka wetekia te whakareanga ki te -8.
x=\frac{9-y}{8}
Whakawehe y-9 ki te -8.
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