ayalarichardson99 ayalarichardson99 22-07-2021 Mathematics contestada 16. Select the equation that has only one solution. A. 8 x + 3 = 3 X + 8 B. 12 x = 12 x + 7 C.4 x + 11 = 11 + 4 xD. 6 x + 20 = 6 x