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126=12+2x
Whakareatia te 2 ki te 6, ka 12.
12+2x=126
Whakawhitihia ngā taha kia puta ki te taha mauī ngā kīanga tau taurangi katoa.
2x=126-12
Tangohia te 12 mai i ngā taha e rua.
2x=114
Tangohia te 12 i te 126, ka 114.
x=\frac{114}{2}
Whakawehea ngā taha e rua ki te 2.
x=57
Whakawehea te 114 ki te 2, kia riro ko 57.