Whakaoti mō x
x=\frac{y+20}{4}
Whakaoti mō y
y=4\left(x-5\right)
Graph
Tohaina
Kua tāruatia ki te papatopenga
4x-20=y
Whakawhitihia ngā taha kia puta ki te taha mauī ngā kīanga tau taurangi katoa.
4x=y+20
Me tāpiri te 20 ki ngā taha e rua.
\frac{4x}{4}=\frac{y+20}{4}
Whakawehea ngā taha e rua ki te 4.
x=\frac{y+20}{4}
Mā te whakawehe ki te 4 ka wetekia te whakareanga ki te 4.
x=\frac{y}{4}+5
Whakawehe y+20 ki te 4.
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