Whakaoti mō x
x=\frac{y-100}{4}
Whakaoti mō y
y=4\left(x+25\right)
Graph
Tohaina
Kua tāruatia ki te papatopenga
y=4x+100
Tātaihia te 10 mā te pū o 2, kia riro ko 100.
4x+100=y
Whakawhitihia ngā taha kia puta ki te taha mauī ngā kīanga tau taurangi katoa.
4x=y-100
Tangohia te 100 mai i ngā taha e rua.
\frac{4x}{4}=\frac{y-100}{4}
Whakawehea ngā taha e rua ki te 4.
x=\frac{y-100}{4}
Mā te whakawehe ki te 4 ka wetekia te whakareanga ki te 4.
x=\frac{y}{4}-25
Whakawehe y-100 ki te 4.
y=4x+100
Tātaihia te 10 mā te pū o 2, kia riro ko 100.
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