Whakaoti mō x
x=\frac{1}{15}-4y
Whakaoti mō y
y=-\frac{x}{4}+\frac{1}{60}
Graph
Tohaina
Kua tāruatia ki te papatopenga
60x=4-240y
Tangohia te 240y mai i ngā taha e rua.
\frac{60x}{60}=\frac{4-240y}{60}
Whakawehea ngā taha e rua ki te 60.
x=\frac{4-240y}{60}
Mā te whakawehe ki te 60 ka wetekia te whakareanga ki te 60.
x=\frac{1}{15}-4y
Whakawehe 4-240y ki te 60.
240y=4-60x
Tangohia te 60x mai i ngā taha e rua.
\frac{240y}{240}=\frac{4-60x}{240}
Whakawehea ngā taha e rua ki te 240.
y=\frac{4-60x}{240}
Mā te whakawehe ki te 240 ka wetekia te whakareanga ki te 240.
y=-\frac{x}{4}+\frac{1}{60}
Whakawehe 4-60x ki te 240.
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