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Tohaina

22+2x=18
Tangohia te 74 i te 96, ka 22.
2x=18-22
Tangohia te 22 mai i ngā taha e rua.
2x=-4
Tangohia te 22 i te 18, ka -4.
x=\frac{-4}{2}
Whakawehea ngā taha e rua ki te 2.
x=-2
Whakawehea te -4 ki te 2, kia riro ko -2.