Whakaoti mō x
x=-\frac{72y}{5}+84
Whakaoti mō y
y=-\frac{5x}{72}+\frac{35}{6}
Graph
Tohaina
Kua tāruatia ki te papatopenga
5x=420-72y
Tangohia te 72y mai i ngā taha e rua.
\frac{5x}{5}=\frac{420-72y}{5}
Whakawehea ngā taha e rua ki te 5.
x=\frac{420-72y}{5}
Mā te whakawehe ki te 5 ka wetekia te whakareanga ki te 5.
x=-\frac{72y}{5}+84
Whakawehe 420-72y ki te 5.
72y=420-5x
Tangohia te 5x mai i ngā taha e rua.
\frac{72y}{72}=\frac{420-5x}{72}
Whakawehea ngā taha e rua ki te 72.
y=\frac{420-5x}{72}
Mā te whakawehe ki te 72 ka wetekia te whakareanga ki te 72.
y=-\frac{5x}{72}+\frac{35}{6}
Whakawehe 420-5x ki te 72.
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