Question

What are the solutions to the equation x=2-x?

A. -1 and -2
B. -1 and 2
C. O and -2
D. 0 and 2
E. 1 and -2

Answer 1

Your answer would be D

Explanation:

Simply substitute each of the numbers with the variables untill the solution is true. For example, for B, (-1)=2-(2) is inaccurate, but using D, (0)=2-(2) is true.