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

Tohaina

x+6x-12=-19
Whakamahia te āhuatanga tohatoha hei whakarea te 3 ki te 2x-4.
7x-12=-19
Pahekotia te x me 6x, ka 7x.
7x=-19+12
Me tāpiri te 12 ki ngā taha e rua.
7x=-7
Tāpirihia te -19 ki te 12, ka -7.
x=\frac{-7}{7}
Whakawehea ngā taha e rua ki te 7.
x=-1
Whakawehea te -7 ki te 7, kia riro ko -1.