Whakaoti mō x
x=\frac{5\left(y-1\right)}{4}
Whakaoti mō y
y=\frac{4x}{5}+1
Graph
Tohaina
Kua tāruatia ki te papatopenga
-4x=5-5y
Tangohia te 5y mai i ngā taha e rua.
\frac{-4x}{-4}=\frac{5-5y}{-4}
Whakawehea ngā taha e rua ki te -4.
x=\frac{5-5y}{-4}
Mā te whakawehe ki te -4 ka wetekia te whakareanga ki te -4.
x=\frac{5y-5}{4}
Whakawehe 5-5y ki te -4.
5y=5+4x
Me tāpiri te 4x ki ngā taha e rua.
5y=4x+5
He hanga arowhānui tō te whārite.
\frac{5y}{5}=\frac{4x+5}{5}
Whakawehea ngā taha e rua ki te 5.
y=\frac{4x+5}{5}
Mā te whakawehe ki te 5 ka wetekia te whakareanga ki te 5.
y=\frac{4x}{5}+1
Whakawehe 5+4x ki te 5.
Ngā Tauira
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{ x } ^ { 2 } - 4 x - 5 = 0
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