Whakaoti mō x
x=28-5y
Whakaoti mō y
y=\frac{28-x}{5}
Graph
Tohaina
Kua tāruatia ki te papatopenga
2x=56-10y
Tangohia te 10y mai i ngā taha e rua.
\frac{2x}{2}=\frac{56-10y}{2}
Whakawehea ngā taha e rua ki te 2.
x=\frac{56-10y}{2}
Mā te whakawehe ki te 2 ka wetekia te whakareanga ki te 2.
x=28-5y
Whakawehe 56-10y ki te 2.
10y=56-2x
Tangohia te 2x mai i ngā taha e rua.
\frac{10y}{10}=\frac{56-2x}{10}
Whakawehea ngā taha e rua ki te 10.
y=\frac{56-2x}{10}
Mā te whakawehe ki te 10 ka wetekia te whakareanga ki te 10.
y=\frac{28-x}{5}
Whakawehe 56-2x ki te 10.
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