Question

Which of the following equations have no solutions? Select all that apply:

A) 14r + 23 = 14r -23
B) -23r - 14 = 14r -23
C) 14r - 23 = 14r -23
D) -14r + 23 = 14r - 23​

Answer 1

A) Yes: they would cancel each other out
B) No: r = 9/37
C) Yes: they would cancel each other out
D) No: r = 23/9

Answer 2

The answer is
A.) 14r + 23 = 14r - 23

C.) 14r - 23 = 14r - 23