80 would be the answer i guess can you explain more in depth?
Reverse the sign of each term you are subtracting and then add as usual. Hope this helps!
Answer:
4-9 = 4+(-9)
-6-7 = -6+(-7)
-4-(-9) = -4 + 9
6-(-7) = 6+7
Step-by-step explanation:
Double negatives means a positive and one positive and one negative is a negative.
Please give brainliest. I am working hard to get it.
Answer:
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