Answer: -3+ (-6)
Explanation:
Hi, to answer this question we have to analyze the expression given:
-3-6
Two expressions are said to be equivalent if they have the same value irrespective of the value of the variable(s) in them
Since subtracting 6 is the same as adding (-6)
-3+ (-6)
Feel free to ask for more if needed or if you did not understand something.