Whakaoti mō b
b=8
Tohaina
Kua tāruatia ki te papatopenga
7b-20-3b=12
Tangohia te 3b mai i ngā taha e rua.
4b-20=12
Pahekotia te 7b me -3b, ka 4b.
4b=12+20
Me tāpiri te 20 ki ngā taha e rua.
4b=32
Tāpirihia te 12 ki te 20, ka 32.
b=\frac{32}{4}
Whakawehea ngā taha e rua ki te 4.
b=8
Whakawehea te 32 ki te 4, kia riro ko 8.
Ngā Tauira
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