Question

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

Answer 1

Answer:

maths hmko nhi smj ataa

Step-by-step explanation:

Answer 2

Answer:

a-(-b) = a+b

39 = 39

Step-by-step explanation:

by the rules of +  and - multiplication

+ * + = +

- * - =  +

- * + = -

+ * - = +

so, as the per the question

a-(-b) = a+b

apply a=21 and b=18

21-(-18) = 21+18

as per the rules of + and - multiplication

21+18 = 21+18

39 = 39

hence prover