Whakaoti mō x
x=\frac{7}{5}-2y
Whakaoti mō y
y=-\frac{x}{2}+\frac{7}{10}
Graph
Tohaina
Kua tāruatia ki te papatopenga
5x=7-10y
Tangohia te 10y mai i ngā taha e rua.
\frac{5x}{5}=\frac{7-10y}{5}
Whakawehea ngā taha e rua ki te 5.
x=\frac{7-10y}{5}
Mā te whakawehe ki te 5 ka wetekia te whakareanga ki te 5.
x=\frac{7}{5}-2y
Whakawehe 7-10y ki te 5.
10y=7-5x
Tangohia te 5x mai i ngā taha e rua.
\frac{10y}{10}=\frac{7-5x}{10}
Whakawehea ngā taha e rua ki te 10.
y=\frac{7-5x}{10}
Mā te whakawehe ki te 10 ka wetekia te whakareanga ki te 10.
y=-\frac{x}{2}+\frac{7}{10}
Whakawehe 7-5x ki te 10.
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