To find what number equals 2.3 when added to -2.32, you can set up the equation:
\[ -2.32 + x = 2.3 \]
To solve for \( x \), add 2.32 to both sides:
\[ x = 2.3 + 2.32 \]
Calculating the right side:
\[ x = 4.62 \]
So, -2.32 plus 4.62 equals 2.3.