Whakaoti mō x
x=43-2y
Whakaoti mō y
y=\frac{43-x}{2}
Graph
Tohaina
Kua tāruatia ki te papatopenga
2x=86-4y
Tangohia te 4y mai i ngā taha e rua.
\frac{2x}{2}=\frac{86-4y}{2}
Whakawehea ngā taha e rua ki te 2.
x=\frac{86-4y}{2}
Mā te whakawehe ki te 2 ka wetekia te whakareanga ki te 2.
x=43-2y
Whakawehe 86-4y ki te 2.
4y=86-2x
Tangohia te 2x mai i ngā taha e rua.
\frac{4y}{4}=\frac{86-2x}{4}
Whakawehea ngā taha e rua ki te 4.
y=\frac{86-2x}{4}
Mā te whakawehe ki te 4 ka wetekia te whakareanga ki te 4.
y=\frac{43-x}{2}
Whakawehe 86-2x ki te 4.
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