Whakaoti mō c
c=-10
Tohaina
Kua tāruatia ki te papatopenga
18+3c=2\left(4+c\right)
Whakamahia te āhuatanga tohatoha hei whakarea te 3 ki te 6+c.
18+3c=8+2c
Whakamahia te āhuatanga tohatoha hei whakarea te 2 ki te 4+c.
18+3c-2c=8
Tangohia te 2c mai i ngā taha e rua.
18+c=8
Pahekotia te 3c me -2c, ka c.
c=8-18
Tangohia te 18 mai i ngā taha e rua.
c=-10
Tangohia te 18 i te 8, ka -10.
Ngā Tauira
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Whakarerekētanga
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Whakaurunga
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Ngā Tepe
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