Whakaoti mō x
x=-\frac{2y}{5}+4
Whakaoti mō y
y=-\frac{5x}{2}+10
Graph
Tohaina
Kua tāruatia ki te papatopenga
10x=40-4y
Tangohia te 4y mai i ngā taha e rua.
\frac{10x}{10}=\frac{40-4y}{10}
Whakawehea ngā taha e rua ki te 10.
x=\frac{40-4y}{10}
Mā te whakawehe ki te 10 ka wetekia te whakareanga ki te 10.
x=-\frac{2y}{5}+4
Whakawehe 40-4y ki te 10.
4y=40-10x
Tangohia te 10x mai i ngā taha e rua.
\frac{4y}{4}=\frac{40-10x}{4}
Whakawehea ngā taha e rua ki te 4.
y=\frac{40-10x}{4}
Mā te whakawehe ki te 4 ka wetekia te whakareanga ki te 4.
y=-\frac{5x}{2}+10
Whakawehe 40-10x ki te 4.
Ngā Tauira
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