Question

verify a -(-b) = a+b for a= 21 ,b= 18​

Answer 1

Answer:

21-(-18)=21+18

21+18=21+18

39=39 hence verified

Answer 2

Question

Verify a -(-b) = a+b for a= 21 ,b= 18

Answer

a - (- b) = a + b

21 - (- 18) = 21 + 18

21 + 18 = 39

39 = 39

∴L.H.S = R.H.S

Hence,verified.