Question

Guys , please help :- a-(-b) = a+b if a= 21 and b = 18​

Answer 1

Answer:

ye to easy h

Step-by-step explanation:

21-(-18)=(a+b) (21+18)

39=39

Answer 2

Step-by-step explanation:

a-(-b) = a + b

a = 21, b=18

Putting values of a and b

21-(-18) = 21+18

We know that (-) * (-) = (+) or you can say same sign add opposite sign subtract.

ATQ

21+18 = 21+18

39=39

L.H.S = R.H.S

Verified