is this math problem correct? 9+(-3)=6

Yes. It's correct.

yes because 9 + -3= 6

To determine if the math problem is correct, you can solve it to see if the equation holds true.

In this case, the problem is:
9 + (-3) = 6

To solve it, you can simplify the addition expression:
9 + (-3) is the same as 9 minus 3, which equals 6.

So, the equation becomes:
6 = 6

Since both sides of the equation are equal to each other, we can conclude that the math problem is correct.