Whakaoti mō b
b=-0.5
Tohaina
Kua tāruatia ki te papatopenga
-3b=4-2.5
Tangohia te 2.5 mai i ngā taha e rua.
-3b=1.5
Tangohia te 2.5 i te 4, ka 1.5.
b=\frac{1.5}{-3}
Whakawehea ngā taha e rua ki te -3.
b=\frac{15}{-30}
Whakarohaina te \frac{1.5}{-3} mā te whakarea i te taurunga me te tauraro ki te 10.
b=-\frac{1}{2}
Whakahekea te hautanga \frac{15}{-30} ki ōna wāhi pāpaku rawa mā te tango me te whakakore i te 15.
Ngā Tauira
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