Tīpoka ki ngā ihirangi matua
Whakaoti mō x
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Tohaina

6x-18=10-2\left(x+2\right)
Whakamahia te āhuatanga tohatoha hei whakarea te 6 ki te x-3.
6x-18=10-2x-4
Whakamahia te āhuatanga tohatoha hei whakarea te -2 ki te x+2.
6x-18=6-2x
Tangohia te 4 i te 10, ka 6.
6x-18+2x=6
Me tāpiri te 2x ki ngā taha e rua.
8x-18=6
Pahekotia te 6x me 2x, ka 8x.
8x=6+18
Me tāpiri te 18 ki ngā taha e rua.
8x=24
Tāpirihia te 6 ki te 18, ka 24.
x=\frac{24}{8}
Whakawehea ngā taha e rua ki te 8.
x=3
Whakawehea te 24 ki te 8, kia riro ko 3.