Whakaoti mō x
x=-\frac{5y}{2}+7
Whakaoti mō y
y=\frac{14-2x}{5}
Graph
Tohaina
Kua tāruatia ki te papatopenga
4x=28-10y
Tangohia te 10y mai i ngā taha e rua.
\frac{4x}{4}=\frac{28-10y}{4}
Whakawehea ngā taha e rua ki te 4.
x=\frac{28-10y}{4}
Mā te whakawehe ki te 4 ka wetekia te whakareanga ki te 4.
x=-\frac{5y}{2}+7
Whakawehe 28-10y ki te 4.
10y=28-4x
Tangohia te 4x mai i ngā taha e rua.
\frac{10y}{10}=\frac{28-4x}{10}
Whakawehea ngā taha e rua ki te 10.
y=\frac{28-4x}{10}
Mā te whakawehe ki te 10 ka wetekia te whakareanga ki te 10.
y=\frac{14-2x}{5}
Whakawehe 28-4x ki te 10.
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