Whakaoti mō y
y=-\frac{x}{2}+4
Whakaoti mō x
x=8-2y
Graph
Tohaina
Kua tāruatia ki te papatopenga
2y=8-x
Tangohia te x mai i ngā taha e rua.
\frac{2y}{2}=\frac{8-x}{2}
Whakawehea ngā taha e rua ki te 2.
y=\frac{8-x}{2}
Mā te whakawehe ki te 2 ka wetekia te whakareanga ki te 2.
y=-\frac{x}{2}+4
Whakawehe 8-x ki te 2.
x=8-2y
Tangohia te 2y mai i ngā taha e rua.
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