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Whakaoti mō x
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Whakaoti mō y
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Ngā Raru Ōrite mai i te Rapu Tukutuku

Tohaina

x-y=-4
Tangohia te 4 mai i ngā taha e rua. Ko te tau i tango i te kore ka hua ko tōna korenga.
x=-4+y
Me tāpiri te y ki ngā taha e rua.
4-y=-x
Tangohia te x mai i ngā taha e rua. Ko te tau i tango i te kore ka hua ko tōna korenga.
-y=-x-4
Tangohia te 4 mai i ngā taha e rua.
\frac{-y}{-1}=\frac{-x-4}{-1}
Whakawehea ngā taha e rua ki te -1.
y=\frac{-x-4}{-1}
Mā te whakawehe ki te -1 ka wetekia te whakareanga ki te -1.
y=x+4
Whakawehe -x-4 ki te -1.