Whakaoti mō x
x=\frac{4-y}{13}
Whakaoti mō y
y=4-13x
Graph
Tohaina
Kua tāruatia ki te papatopenga
4-13x=y
Whakawhitihia ngā taha kia puta ki te taha mauī ngā kīanga tau taurangi katoa.
-13x=y-4
Tangohia te 4 mai i ngā taha e rua.
\frac{-13x}{-13}=\frac{y-4}{-13}
Whakawehea ngā taha e rua ki te -13.
x=\frac{y-4}{-13}
Mā te whakawehe ki te -13 ka wetekia te whakareanga ki te -13.
x=\frac{4-y}{13}
Whakawehe y-4 ki te -13.
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