Whakaoti mō x
x=\frac{820-y}{3}
Whakaoti mō y
y=820-3x
Graph
Tohaina
Kua tāruatia ki te papatopenga
3x=820-y
Tangohia te y mai i ngā taha e rua.
\frac{3x}{3}=\frac{820-y}{3}
Whakawehea ngā taha e rua ki te 3.
x=\frac{820-y}{3}
Mā te whakawehe ki te 3 ka wetekia te whakareanga ki te 3.
y=820-3x
Tangohia te 3x mai i ngā taha e rua.
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