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Whakaoti mō x
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Tohaina

2-6x=5\left(x-4\right)
Whakamahia te āhuatanga tohatoha hei whakarea te 2 ki te 1-3x.
2-6x=5x-20
Whakamahia te āhuatanga tohatoha hei whakarea te 5 ki te x-4.
2-6x-5x=-20
Tangohia te 5x mai i ngā taha e rua.
2-11x=-20
Pahekotia te -6x me -5x, ka -11x.
-11x=-20-2
Tangohia te 2 mai i ngā taha e rua.
-11x=-22
Tangohia te 2 i te -20, ka -22.
x=\frac{-22}{-11}
Whakawehea ngā taha e rua ki te -11.
x=2
Whakawehea te -22 ki te -11, kia riro ko 2.