Whakaoti mō x
x=5y+\frac{7}{5}
Whakaoti mō y
y=\frac{x}{5}-\frac{7}{25}
Graph
Tohaina
Kua tāruatia ki te papatopenga
-5x+7=-25y
Whakawhitihia ngā taha kia puta ki te taha mauī ngā kīanga tau taurangi katoa.
-5x=-25y-7
Tangohia te 7 mai i ngā taha e rua.
\frac{-5x}{-5}=\frac{-25y-7}{-5}
Whakawehea ngā taha e rua ki te -5.
x=\frac{-25y-7}{-5}
Mā te whakawehe ki te -5 ka wetekia te whakareanga ki te -5.
x=5y+\frac{7}{5}
Whakawehe -25y-7 ki te -5.
-25y=7-5x
He hanga arowhānui tō te whārite.
\frac{-25y}{-25}=\frac{7-5x}{-25}
Whakawehea ngā taha e rua ki te -25.
y=\frac{7-5x}{-25}
Mā te whakawehe ki te -25 ka wetekia te whakareanga ki te -25.
y=\frac{x}{5}-\frac{7}{25}
Whakawehe -5x+7 ki te -25.
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