Whakaoti mō x
x=-\frac{3y}{2}+9
Whakaoti mō y
y=-\frac{2x}{3}+6
Graph
Tohaina
Kua tāruatia ki te papatopenga
10x=90-15y
Tangohia te 15y mai i ngā taha e rua.
\frac{10x}{10}=\frac{90-15y}{10}
Whakawehea ngā taha e rua ki te 10.
x=\frac{90-15y}{10}
Mā te whakawehe ki te 10 ka wetekia te whakareanga ki te 10.
x=-\frac{3y}{2}+9
Whakawehe 90-15y ki te 10.
15y=90-10x
Tangohia te 10x mai i ngā taha e rua.
\frac{15y}{15}=\frac{90-10x}{15}
Whakawehea ngā taha e rua ki te 15.
y=\frac{90-10x}{15}
Mā te whakawehe ki te 15 ka wetekia te whakareanga ki te 15.
y=-\frac{2x}{3}+6
Whakawehe 90-10x ki te 15.
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