Verify: a - (-b) = a + b for the value of : a = (-12), b = (15)
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Answer:
1). 21-(-18)=21+18=39
a+b=21+18=39.
2).118-(-125)=118+125=243
a+b=118-125=243.
3). 75-(-84)=75+84=159
a+b=75+84=159.
4). 28-(-11)=28+11=39
a+b=28+11= 39.
hope it helps you
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