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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-3x=0
Tangohia te 3x mai i ngā taha e rua.
-2x+y=0
Pahekotia te x me -3x, ka -2x.
-2x=-y
Tangohia te y mai i ngā taha e rua. Ko te tau i tango i te kore ka hua ko tōna korenga.
\frac{-2x}{-2}=-\frac{y}{-2}
Whakawehea ngā taha e rua ki te -2.
x=-\frac{y}{-2}
Mā te whakawehe ki te -2 ka wetekia te whakareanga ki te -2.
x=\frac{y}{2}
Whakawehe -y ki te -2.
y=3x-x
Tangohia te x mai i ngā taha e rua.
y=2x
Pahekotia te 3x me -x, ka 2x.