Question

verify a-(-b)=a+
b the following. a=45 b=30
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Answer 1

Given :

• a = 45
• b = 30

Prove :

• a - (-b) = a + b

To Proof :

➻ 45 - (- 30) = 45 + 30

• Note : − − = +

➻ 45 + 30 = 45 + 30

➻ 75 = 75

Hence, Proved !

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Answer 2

a-(-b) = a+b

45-(-30) = 45+30

45+30 = 45+30

75 = 75

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