8.4 + 2c = 15.36
3 answers
c = 6.96
6.96
8.4 + 2c = 15.36
2c = 15.36 - 8.4
c = (15.36 - 8.4) / 2
c = 3.48
2c = 15.36 - 8.4
c = (15.36 - 8.4) / 2
c = 3.48