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Answer:
1. 5-5= 0
2. 5-(-3) = 8
keep 5, change sign to + and change the sign of -3 to +3
5+3=8
3. 6-(-6) = 12
same lang sa number two, magiging 6+6 Siya
4. -1-(-1)= 0
keep -1, change sign to + then change the sign of -1 to +1
we will have -1+(1) or simple -1+1=0
5. -7-5 = -12
keep -7, then change sign to + then change also positive 5 to negative five (-5)
we will have -7+(-5), add then copy the sign since it's similar
the final answer is -12
Step-by-step explanation:
hope it helps you