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Whakaoti mō c
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Tohaina

5c+16.5-10c=13.5
Tangohia te 10c mai i ngā taha e rua.
-5c+16.5=13.5
Pahekotia te 5c me -10c, ka -5c.
-5c=13.5-16.5
Tangohia te 16.5 mai i ngā taha e rua.
-5c=-3
Tangohia te 16.5 i te 13.5, ka -3.
c=\frac{-3}{-5}
Whakawehea ngā taha e rua ki te -5.
c=\frac{3}{5}
Ka taea te hautanga \frac{-3}{-5} te whakamāmā ki te \frac{3}{5} mā te tango tahi i te tohu tōraro i te taurunga me te tauraro.