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Tohaina

12x+3=27
Whakareatia te 6 ki te 2, ka 12.
12x=27-3
Tangohia te 3 mai i ngā taha e rua.
12x=24
Tangohia te 3 i te 27, ka 24.
x=\frac{24}{12}
Whakawehea ngā taha e rua ki te 12.
x=2
Whakawehea te 24 ki te 12, kia riro ko 2.