Whakaoti mō x
x=\frac{y-1}{y+1}
y\neq -1
Whakaoti mō y
y=\frac{x+1}{1-x}
x\neq 1
Graph
Tohaina
Kua tāruatia ki te papatopenga
y-xy=x+1
Whakamahia te āhuatanga tohatoha hei whakarea te 1-x ki te y.
y-xy-x=1
Tangohia te x mai i ngā taha e rua.
-xy-x=1-y
Tangohia te y mai i ngā taha e rua.
\left(-y-1\right)x=1-y
Pahekotia ngā kīanga tau katoa e whai ana i te x.
\frac{\left(-y-1\right)x}{-y-1}=\frac{1-y}{-y-1}
Whakawehea ngā taha e rua ki te -y-1.
x=\frac{1-y}{-y-1}
Mā te whakawehe ki te -y-1 ka wetekia te whakareanga ki te -y-1.
x=-\frac{1-y}{y+1}
Whakawehe 1-y ki te -y-1.
y-xy=x+1
Whakamahia te āhuatanga tohatoha hei whakarea te 1-x ki te y.
\left(1-x\right)y=x+1
Pahekotia ngā kīanga tau katoa e whai ana i te y.
\frac{\left(1-x\right)y}{1-x}=\frac{x+1}{1-x}
Whakawehea ngā taha e rua ki te 1-x.
y=\frac{x+1}{1-x}
Mā te whakawehe ki te 1-x ka wetekia te whakareanga ki te 1-x.
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