Tīpoka ki ngā ihirangi matua
Whakaoti mō x
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Ngā Raru Ōrite mai i te Rapu Tukutuku

Tohaina

1=7\left(x-10\right)
Tē taea kia ōrite te tāupe x ki 10 nā te kore tautuhi i te whakawehenga mā te kore. Whakareatia ngā taha e rua o te whārite ki te x-10.
1=7x-70
Whakamahia te āhuatanga tohatoha hei whakarea te 7 ki te x-10.
7x-70=1
Whakawhitihia ngā taha kia puta ki te taha mauī ngā kīanga tau taurangi katoa.
7x=1+70
Me tāpiri te 70 ki ngā taha e rua.
7x=71
Tāpirihia te 1 ki te 70, ka 71.
x=\frac{71}{7}
Whakawehea ngā taha e rua ki te 7.