Whakaoti mō x
x=\frac{80-17y}{23}
Whakaoti mō y
y=\frac{80-23x}{17}
Graph
Tohaina
Kua tāruatia ki te papatopenga
23x=80-17y
Tangohia te 17y mai i ngā taha e rua.
\frac{23x}{23}=\frac{80-17y}{23}
Whakawehea ngā taha e rua ki te 23.
x=\frac{80-17y}{23}
Mā te whakawehe ki te 23 ka wetekia te whakareanga ki te 23.
17y=80-23x
Tangohia te 23x mai i ngā taha e rua.
\frac{17y}{17}=\frac{80-23x}{17}
Whakawehea ngā taha e rua ki te 17.
y=\frac{80-23x}{17}
Mā te whakawehe ki te 17 ka wetekia te whakareanga ki te 17.
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