Each of the following equations has at least one solution EXCEPT C. Is it true?	Choose the correct choice
A) 2* -a = (–2)*a
B) 2*a = (–2)*-a
C) -2*a = -2-a
D) (–2)a = –2a
E) (–2)-a = –2-a
If we put a = 1 then   A. -2   B. 2   D. -2   E. -3   Answer : -2*a = -2-a
<result>C</result>
Each of the following equations has at least one solution EXCEPT C. Is it true?