Whakaoti mō x
x=-5
Graph
Tohaina
Kua tāruatia ki te papatopenga
4x+8=2\left(x-5\right)+8
Whakamahia te āhuatanga tohatoha hei whakarea te 4 ki te x+2.
4x+8=2x-10+8
Whakamahia te āhuatanga tohatoha hei whakarea te 2 ki te x-5.
4x+8=2x-2
Tāpirihia te -10 ki te 8, ka -2.
4x+8-2x=-2
Tangohia te 2x mai i ngā taha e rua.
2x+8=-2
Pahekotia te 4x me -2x, ka 2x.
2x=-2-8
Tangohia te 8 mai i ngā taha e rua.
2x=-10
Tangohia te 8 i te -2, ka -10.
x=\frac{-10}{2}
Whakawehea ngā taha e rua ki te 2.
x=-5
Whakawehea te -10 ki te 2, kia riro ko -5.
Ngā Tauira
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