Whakaoti mō x
x=\frac{9y}{2}+2
Whakaoti mō y
y=\frac{2\left(x-2\right)}{9}
Graph
Tohaina
Kua tāruatia ki te papatopenga
2x=4+9y
Me tāpiri te 9y ki ngā taha e rua.
2x=9y+4
He hanga arowhānui tō te whārite.
\frac{2x}{2}=\frac{9y+4}{2}
Whakawehea ngā taha e rua ki te 2.
x=\frac{9y+4}{2}
Mā te whakawehe ki te 2 ka wetekia te whakareanga ki te 2.
x=\frac{9y}{2}+2
Whakawehe 4+9y ki te 2.
-9y=4-2x
Tangohia te 2x mai i ngā taha e rua.
\frac{-9y}{-9}=\frac{4-2x}{-9}
Whakawehea ngā taha e rua ki te -9.
y=\frac{4-2x}{-9}
Mā te whakawehe ki te -9 ka wetekia te whakareanga ki te -9.
y=\frac{2x-4}{9}
Whakawehe 4-2x ki te -9.
Ngā Tauira
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