Whakaoti mō x_2
x_{2}=3-y
Whakaoti mō y
y=3-x_{2}
Graph
Tohaina
Kua tāruatia ki te papatopenga
3-x_{2}=y
Whakawhitihia ngā taha kia puta ki te taha mauī ngā kīanga tau taurangi katoa.
-x_{2}=y-3
Tangohia te 3 mai i ngā taha e rua.
\frac{-x_{2}}{-1}=\frac{y-3}{-1}
Whakawehea ngā taha e rua ki te -1.
x_{2}=\frac{y-3}{-1}
Mā te whakawehe ki te -1 ka wetekia te whakareanga ki te -1.
x_{2}=3-y
Whakawehe y-3 ki te -1.
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