Whakaoti mō x
x=-\frac{3\left(y-3\right)}{y+1}
y\neq -1
Whakaoti mō y
y=-\frac{x-9}{x+3}
x\neq -3
Graph
Tohaina
Kua tāruatia ki te papatopenga
x+xy=9-3y
Tangohia te 3y mai i ngā taha e rua.
\left(1+y\right)x=9-3y
Pahekotia ngā kīanga tau katoa e whai ana i te x.
\left(y+1\right)x=9-3y
He hanga arowhānui tō te whārite.
\frac{\left(y+1\right)x}{y+1}=\frac{9-3y}{y+1}
Whakawehea ngā taha e rua ki te 1+y.
x=\frac{9-3y}{y+1}
Mā te whakawehe ki te 1+y ka wetekia te whakareanga ki te 1+y.
x=\frac{3\left(3-y\right)}{y+1}
Whakawehe 9-3y ki te 1+y.
3y+xy=9-x
Tangohia te x mai i ngā taha e rua.
\left(3+x\right)y=9-x
Pahekotia ngā kīanga tau katoa e whai ana i te y.
\left(x+3\right)y=9-x
He hanga arowhānui tō te whārite.
\frac{\left(x+3\right)y}{x+3}=\frac{9-x}{x+3}
Whakawehea ngā taha e rua ki te 3+x.
y=\frac{9-x}{x+3}
Mā te whakawehe ki te 3+x ka wetekia te whakareanga ki te 3+x.
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