how to solve it they are intergers
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Answer:
10 +(-10)
10-10
0
Step-by-step explanation:
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Step-by-step explanation:
1) 10+(-10)= 10-10= 0
2) -9 +(+5)= -9 +5= -4
3) -5 + (-7)= -5 -7= -12
4) 4+(-5)= 4-5= -1
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