Whakaoti mō x
x=\frac{86-3y}{5}
Whakaoti mō y
y=\frac{86-5x}{3}
Graph
Tohaina
Kua tāruatia ki te papatopenga
20x=344-12y
Tangohia te 12y mai i ngā taha e rua.
\frac{20x}{20}=\frac{344-12y}{20}
Whakawehea ngā taha e rua ki te 20.
x=\frac{344-12y}{20}
Mā te whakawehe ki te 20 ka wetekia te whakareanga ki te 20.
x=\frac{86-3y}{5}
Whakawehe 344-12y ki te 20.
12y=344-20x
Tangohia te 20x mai i ngā taha e rua.
\frac{12y}{12}=\frac{344-20x}{12}
Whakawehea ngā taha e rua ki te 12.
y=\frac{344-20x}{12}
Mā te whakawehe ki te 12 ka wetekia te whakareanga ki te 12.
y=\frac{86-5x}{3}
Whakawehe 344-20x ki te 12.
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