No Mathematical Operators Can Phase Me!
Algebra
Level
1
\[\large{ \begin{eqnarray} y \color{blue} + y &=& y \\ y \color{red} - y &=& y \\ y \color{green} \times y &=& y \\ y \color{purple} \div y &=& y \end{eqnarray}} \]
What number(s) satisfy all the four equations above?
by
Sai Krishna Dittakavi