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Whakaoti mō x
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Tohaina

x+0x+x+0x-6=3
Whakareatia te 0 ki te 6, ka 0. Whakareatia te 0 ki te 6, ka 0.
x+0+x+0x-6=3
Ko te tau i whakarea ki te kore ka hua ko te kore.
2x+0+0x-6=3
Pahekotia te x me x, ka 2x.
2x+0+0-6=3
Ko te tau i whakarea ki te kore ka hua ko te kore.
2x-6=3
Tāpirihia te 0 ki te 0, ka 0.
2x=3+6
Me tāpiri te 6 ki ngā taha e rua.
2x=9
Tāpirihia te 3 ki te 6, ka 9.
x=\frac{9}{2}
Whakawehea ngā taha e rua ki te 2.