Question

Which set of expressions are not equivalent?

4c - 2c - 3 and 2c - 3
(9c + 12) - c - 3 and 8c + 9
5c - 2c + 8 - 4 and 3c + 4
0.5 + (10c + 8) and 5c - 4

Answer 1

0.5+10c+8 and 5c-4 this is may be right