Whakaoti mō b
b = \frac{13}{3} = 4\frac{1}{3} \approx 4.333333333
Tohaina
Kua tāruatia ki te papatopenga
2+11b-8b=15
Tangohia te 8b mai i ngā taha e rua.
2+3b=15
Pahekotia te 11b me -8b, ka 3b.
3b=15-2
Tangohia te 2 mai i ngā taha e rua.
3b=13
Tangohia te 2 i te 15, ka 13.
b=\frac{13}{3}
Whakawehea ngā taha e rua ki te 3.
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