2011 Feb 8 04:43 PM MST | Math⁷ [2011]³

Try to solve this equation:

\[2a - a = a^2 - a^2 + a-2\]

Let’s simplify it first:

1. Remove duplicates:

   \[2a - a = a - 2\]

2. Reduce like terms by cancelling:

   \[a = a - 2\]

And it cannot be solved xD