Whakaoti mō b
b=400
Tohaina
Kua tāruatia ki te papatopenga
10=-390+b
Whakareatia te -15 ki te 26, ka -390.
-390+b=10
Whakawhitihia ngā taha kia puta ki te taha mauī ngā kīanga tau taurangi katoa.
b=10+390
Me tāpiri te 390 ki ngā taha e rua.
b=400
Tāpirihia te 10 ki te 390, ka 400.
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