Subtract:

4 − –9 =

1 answer

To subtract \(-9\) from \(4\), you can rewrite the expression as:

\[ 4 - (-9) = 4 + 9 \]

Now, compute the addition:

\[ 4 + 9 = 13 \]

So, the result of \(4 - -9\) is \(13\).