Math, asked by dd090173, 7 months ago

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

Answers

Answered by Thenavi

1

Step-by-step explanation:

21-(-18)=21+18

21+18=21+18

39=39

Answered by madhavsmart06

0

Answer:

39=39

hence proved

Step-by-step explanation:

a-(-b)=a+b

a+b=a+b {a-(-b)}=a+b

21+18=21+18

39=39

hence proved

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