Whakaoti mō z
z = \frac{31}{10} = 3\frac{1}{10} = 3.1
Tohaina
Kua tāruatia ki te papatopenga
-4z+32=6z+1
Whakareatia ngā taha e rua o te whārite ki te 4.
-4z+32-6z=1
Tangohia te 6z mai i ngā taha e rua.
-10z+32=1
Pahekotia te -4z me -6z, ka -10z.
-10z=1-32
Tangohia te 32 mai i ngā taha e rua.
-10z=-31
Tangohia te 32 i te 1, ka -31.
z=\frac{-31}{-10}
Whakawehea ngā taha e rua ki te -10.
z=\frac{31}{10}
Ka taea te hautanga \frac{-31}{-10} te whakamāmā ki te \frac{31}{10} mā te tango tahi i te tohu tōraro i te taurunga me te tauraro.
Ngā Tauira
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