Whakaoti mō x
x=2y-13
Whakaoti mō y
y=\frac{x+13}{2}
Graph
Tohaina
Kua tāruatia ki te papatopenga
2x=-26+4y
Me tāpiri te 4y ki ngā taha e rua.
2x=4y-26
He hanga arowhānui tō te whārite.
\frac{2x}{2}=\frac{4y-26}{2}
Whakawehea ngā taha e rua ki te 2.
x=\frac{4y-26}{2}
Mā te whakawehe ki te 2 ka wetekia te whakareanga ki te 2.
x=2y-13
Whakawehe -26+4y ki te 2.
-4y=-26-2x
Tangohia te 2x mai i ngā taha e rua.
-4y=-2x-26
He hanga arowhānui tō te whārite.
\frac{-4y}{-4}=\frac{-2x-26}{-4}
Whakawehea ngā taha e rua ki te -4.
y=\frac{-2x-26}{-4}
Mā te whakawehe ki te -4 ka wetekia te whakareanga ki te -4.
y=\frac{x+13}{2}
Whakawehe -26-2x ki te -4.
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