Whakaoti mō x
x=\frac{y-450}{30}
Whakaoti mō y
y=30\left(x+15\right)
Graph
Tohaina
Kua tāruatia ki te papatopenga
30x=y-450
Tangohia te 450 mai i ngā taha e rua.
\frac{30x}{30}=\frac{y-450}{30}
Whakawehea ngā taha e rua ki te 30.
x=\frac{y-450}{30}
Mā te whakawehe ki te 30 ka wetekia te whakareanga ki te 30.
x=\frac{y}{30}-15
Whakawehe y-450 ki te 30.
y=450+30x
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