Whakaoti mō t
t=12
Tohaina
Kua tāruatia ki te papatopenga
8\times 4=t+20
Me whakarea ngā taha e rua ki te 4.
32=t+20
Whakareatia te 8 ki te 4, ka 32.
t+20=32
Whakawhitihia ngā taha kia puta ki te taha mauī ngā kīanga tau taurangi katoa.
t=32-20
Tangohia te 20 mai i ngā taha e rua.
t=12
Tangohia te 20 i te 32, ka 12.
Ngā Tauira
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{ x } ^ { 2 } - 4 x - 5 = 0
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