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Whakaoti mō x
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Ngā Raru Ōrite mai i te Rapu Tukutuku

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2\left(2x+4\right)=x-18
Me whakarea ngā taha e rua o te whārite ki te 6, arā, te tauraro pātahi he tino iti rawa te kitea o 3,6.
4x+8=x-18
Whakamahia te āhuatanga tohatoha hei whakarea te 2 ki te 2x+4.
4x+8-x=-18
Tangohia te x mai i ngā taha e rua.
3x+8=-18
Pahekotia te 4x me -x, ka 3x.
3x=-18-8
Tangohia te 8 mai i ngā taha e rua.
3x=-26
Tangohia te 8 i te -18, ka -26.
x=\frac{-26}{3}
Whakawehea ngā taha e rua ki te 3.
x=-\frac{26}{3}
Ka taea te hautanga \frac{-26}{3} te tuhi anō ko -\frac{26}{3} mā te tango i te tohu tōraro.