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Whakaoti mō x
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Ngā Raru Ōrite mai i te Rapu Tukutuku

Tohaina

x+9+\left(x-5\right)\times 9=10
Tē taea kia ōrite te tāupe x ki tētahi o ngā uara -9,5 nā te kore tautuhi i te whakawehenga mā te kore. Me whakarea ngā taha e rua o te whārite ki te \left(x-5\right)\left(x+9\right), arā, te tauraro pātahi he tino iti rawa te kitea o x-5,x+9,x^{2}+4x-45.
x+9+9x-45=10
Whakamahia te āhuatanga tohatoha hei whakarea te x-5 ki te 9.
10x+9-45=10
Pahekotia te x me 9x, ka 10x.
10x-36=10
Tangohia te 45 i te 9, ka -36.
10x=10+36
Me tāpiri te 36 ki ngā taha e rua.
10x=46
Tāpirihia te 10 ki te 36, ka 46.
x=\frac{46}{10}
Whakawehea ngā taha e rua ki te 10.
x=\frac{23}{5}
Whakahekea te hautanga \frac{46}{10} ki ōna wāhi pāpaku rawa mā te tango me te whakakore i te 2.