Question

Verify a -(-b) = a+b for the following values of a and b. a=21,b=18​

Answer 1

a-(-b) = a+b

⇒21-(-18)= 21+18

⇒ 21+18  = 39

⇒ 39       = 39

∴ Hence, a-(-b) = a+b

Answer 2

Answer:

A-(-B)= A+B

21+18=39

Step-by-step explanation:

As we know (-)×(-) = +

SO ,

A-(-B)= A+B

AFTER THAT ADD THE GIVEN VALUE