Whakaoti mō x
x=-\frac{5y}{4}+\frac{19}{2}
Whakaoti mō y
y=\frac{38-4x}{5}
Graph
Tohaina
Kua tāruatia ki te papatopenga
4x=38-5y
Tangohia te 5y mai i ngā taha e rua.
\frac{4x}{4}=\frac{38-5y}{4}
Whakawehea ngā taha e rua ki te 4.
x=\frac{38-5y}{4}
Mā te whakawehe ki te 4 ka wetekia te whakareanga ki te 4.
x=-\frac{5y}{4}+\frac{19}{2}
Whakawehe 38-5y ki te 4.
5y=38-4x
Tangohia te 4x mai i ngā taha e rua.
\frac{5y}{5}=\frac{38-4x}{5}
Whakawehea ngā taha e rua ki te 5.
y=\frac{38-4x}{5}
Mā te whakawehe ki te 5 ka wetekia te whakareanga ki te 5.
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