verify a-(-b)=a+b for the following values of a&b. 1. a=21,b=18
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) Verify a – (– b) = a + b for the following values of a and b.
(i) a = 21, b = 18
(ii) a = 118, b = 125
(iii) a = 75, b = 84
(iv) a = 28, b = 11
solution 8: (i) a= 21, b= 18
a-(-b) = a +b
21-(-18) = 21+18
21+18 = 21+ 18
39=39
(ii) a= 118, b=125
a-(-b) = a +b
118-(-125) = 118 +125
118+125 = 118+125
243 = 243
(iii) a= 75, b=84
a-(-b) = a +b
75-(-84) = 75 +84
159 = 159
(iv) a= 28, b=11
a-(-b) = a +b
28-(-11) = 28 +11
28+11 = 28+11
39=39
hence verified !
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