Whakaoti mō y
y=\frac{20-x}{3}
Whakaoti mō x
x=20-3y
Graph
Tohaina
Kua tāruatia ki te papatopenga
3y=20-x
Tangohia te x mai i ngā taha e rua.
\frac{3y}{3}=\frac{20-x}{3}
Whakawehea ngā taha e rua ki te 3.
y=\frac{20-x}{3}
Mā te whakawehe ki te 3 ka wetekia te whakareanga ki te 3.
x=20-3y
Tangohia te 3y mai i ngā taha e rua.
Ngā Tauira
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