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Whakaoti mō x
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Ngā Raru Ōrite mai i te Rapu Tukutuku

Tohaina

2x-7=0
Whakawehea ngā taha e rua ki te 9. Ko te kore i whakawehea ki te tau ehara te kore ka hua ko te kore.
2x=7
Me tāpiri te 7 ki ngā taha e rua. Ko te tau i tāpiria he kore ka hua koia tonu.
x=\frac{7}{2}
Whakawehea ngā taha e rua ki te 2.