Whakaoti mō y
y=4\left(x-40\right)
Whakaoti mō x
x=\frac{y}{4}+40
Graph
Tohaina
Kua tāruatia ki te papatopenga
40+0.25y=x
Whakawhitihia ngā taha kia puta ki te taha mauī ngā kīanga tau taurangi katoa.
0.25y=x-40
Tangohia te 40 mai i ngā taha e rua.
\frac{0.25y}{0.25}=\frac{x-40}{0.25}
Me whakarea ngā taha e rua ki te 4.
y=\frac{x-40}{0.25}
Mā te whakawehe ki te 0.25 ka wetekia te whakareanga ki te 0.25.
y=4x-160
Whakawehe x-40 ki te 0.25 mā te whakarea x-40 ki te tau huripoki o 0.25.
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