Tīpoka ki ngā ihirangi matua
Whakaoti mō x
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Ngā Raru Ōrite mai i te Rapu Tukutuku

Tohaina

-19=-4x+9
Pahekotia te 2x me -6x, ka -4x.
-4x+9=-19
Whakawhitihia ngā taha kia puta ki te taha mauī ngā kīanga tau taurangi katoa.
-4x=-19-9
Tangohia te 9 mai i ngā taha e rua.
-4x=-28
Tangohia te 9 i te -19, ka -28.
x=\frac{-28}{-4}
Whakawehea ngā taha e rua ki te -4.
x=7
Whakawehea te -28 ki te -4, kia riro ko 7.