Whakaoti mō x
x=11.5
Graph
Tohaina
Kua tāruatia ki te papatopenga
2x-7.2=15.8
Whakawhitihia ngā taha kia puta ki te taha mauī ngā kīanga tau taurangi katoa.
2x=15.8+7.2
Me tāpiri te 7.2 ki ngā taha e rua.
2x=23
Tāpirihia te 15.8 ki te 7.2, ka 23.
x=\frac{23}{2}
Whakawehea ngā taha e rua ki te 2.
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