Whakaoti mō x
x=\frac{681-441y}{20}
Whakaoti mō y
y=-\frac{20x}{441}+\frac{227}{147}
Graph
Tohaina
Kua tāruatia ki te papatopenga
100x=3405-2205y
Tangohia te 2205y mai i ngā taha e rua.
\frac{100x}{100}=\frac{3405-2205y}{100}
Whakawehea ngā taha e rua ki te 100.
x=\frac{3405-2205y}{100}
Mā te whakawehe ki te 100 ka wetekia te whakareanga ki te 100.
x=\frac{681-441y}{20}
Whakawehe 3405-2205y ki te 100.
2205y=3405-100x
Tangohia te 100x mai i ngā taha e rua.
\frac{2205y}{2205}=\frac{3405-100x}{2205}
Whakawehea ngā taha e rua ki te 2205.
y=\frac{3405-100x}{2205}
Mā te whakawehe ki te 2205 ka wetekia te whakareanga ki te 2205.
y=-\frac{20x}{441}+\frac{227}{147}
Whakawehe 3405-100x ki te 2205.
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