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