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