X+x=2

The equation \( x + x = 2 \) can be simplified. Combine the like terms on the left side:

\[ 2x = 2 \]

To solve for \( x \), divide both sides by 2:

\[ x = 1 \]

So, the solution to the equation \( x + x = 2 \) is \( x = 1 \).