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Whakaoti mō x
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Tohaina

8x-3x+12=3\left(x-4\right)+6
Whakamahia te āhuatanga tohatoha hei whakarea te -3 ki te x-4.
5x+12=3\left(x-4\right)+6
Pahekotia te 8x me -3x, ka 5x.
5x+12=3x-12+6
Whakamahia te āhuatanga tohatoha hei whakarea te 3 ki te x-4.
5x+12=3x-6
Tāpirihia te -12 ki te 6, ka -6.
5x+12-3x=-6
Tangohia te 3x mai i ngā taha e rua.
2x+12=-6
Pahekotia te 5x me -3x, ka 2x.
2x=-6-12
Tangohia te 12 mai i ngā taha e rua.
2x=-18
Tangohia te 12 i te -6, ka -18.
x=\frac{-18}{2}
Whakawehea ngā taha e rua ki te 2.
x=-9
Whakawehea te -18 ki te 2, kia riro ko -9.