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Whakaoti mō x
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Ngā Raru Ōrite mai i te Rapu Tukutuku

Tohaina

3x+9-9x=-15
Tangohia te 9x mai i ngā taha e rua.
-6x+9=-15
Pahekotia te 3x me -9x, ka -6x.
-6x=-15-9
Tangohia te 9 mai i ngā taha e rua.
-6x=-24
Tangohia te 9 i te -15, ka -24.
x=\frac{-24}{-6}
Whakawehea ngā taha e rua ki te -6.
x=4
Whakawehea te -24 ki te -6, kia riro ko 4.