Whakaoti mō x
x=\frac{16-2y}{3}
Whakaoti mō y
y=-\frac{3x}{2}+8
Graph
Tohaina
Kua tāruatia ki te papatopenga
45x=240-30y
Tangohia te 30y mai i ngā taha e rua.
\frac{45x}{45}=\frac{240-30y}{45}
Whakawehea ngā taha e rua ki te 45.
x=\frac{240-30y}{45}
Mā te whakawehe ki te 45 ka wetekia te whakareanga ki te 45.
x=\frac{16-2y}{3}
Whakawehe 240-30y ki te 45.
30y=240-45x
Tangohia te 45x mai i ngā taha e rua.
\frac{30y}{30}=\frac{240-45x}{30}
Whakawehea ngā taha e rua ki te 30.
y=\frac{240-45x}{30}
Mā te whakawehe ki te 30 ka wetekia te whakareanga ki te 30.
y=-\frac{3x}{2}+8
Whakawehe 240-45x ki te 30.
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