Whakaoti mō x
x=\frac{y-7}{4}
Whakaoti mō y
y=4x+7
Graph
Tohaina
Kua tāruatia ki te papatopenga
4x=y-7
Tangohia te 7 mai i ngā taha e rua.
\frac{4x}{4}=\frac{y-7}{4}
Whakawehea ngā taha e rua ki te 4.
x=\frac{y-7}{4}
Mā te whakawehe ki te 4 ka wetekia te whakareanga ki te 4.
y=4x+7
Whakawhitihia ngā taha kia puta ki te taha mauī ngā kīanga tau taurangi katoa.
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