Answer:
129
Explanation:
+54- -75
54+75=129
When you are subtracting 54- -75, the symbols will automatically change to postives.
You could also use the method:
Keep, change, change
54 + +75
-21
positive 54 decreased negative 75. The answer is -21. why? Because the negative variables is higher than the positive variable in the given.
4.6m questions
5.9m answers