Whakaoti mō y
y=\frac{x-90}{2}
Whakaoti mō x
x=2\left(y+45\right)
Graph
Tohaina
Kua tāruatia ki te papatopenga
2y+90=x
Whakawhitihia ngā taha kia puta ki te taha mauī ngā kīanga tau taurangi katoa.
2y=x-90
Tangohia te 90 mai i ngā taha e rua.
\frac{2y}{2}=\frac{x-90}{2}
Whakawehea ngā taha e rua ki te 2.
y=\frac{x-90}{2}
Mā te whakawehe ki te 2 ka wetekia te whakareanga ki te 2.
y=\frac{x}{2}-45
Whakawehe x-90 ki te 2.
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