Answer :
Answer is 3, -9
6 units away means x+6 or x-6
-3+6=3 (you can draw a number line if it helps you)
Or -3-6=-9
Therefore answer is both 3 and -9
6 units away means x+6 or x-6
-3+6=3 (you can draw a number line if it helps you)
Or -3-6=-9
Therefore answer is both 3 and -9