Whakaoti mō x
x=75-3y
Whakaoti mō y
y=-\frac{x}{3}+25
Graph
Tohaina
Kua tāruatia ki te papatopenga
6x=450-18y
Tangohia te 18y mai i ngā taha e rua.
\frac{6x}{6}=\frac{450-18y}{6}
Whakawehea ngā taha e rua ki te 6.
x=\frac{450-18y}{6}
Mā te whakawehe ki te 6 ka wetekia te whakareanga ki te 6.
x=75-3y
Whakawehe 450-18y ki te 6.
18y=450-6x
Tangohia te 6x mai i ngā taha e rua.
\frac{18y}{18}=\frac{450-6x}{18}
Whakawehea ngā taha e rua ki te 18.
y=\frac{450-6x}{18}
Mā te whakawehe ki te 18 ka wetekia te whakareanga ki te 18.
y=-\frac{x}{3}+25
Whakawehe 450-6x ki te 18.
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