Question

Verify a – (– b) = a + b for the following values of a and b.

(iii) a = 75, b = 84​

Answer 1

From the question,

a = 75 and b = 84

To verify a – (- b) = a + b

Let us take Left Hand Side (LHS) = a – (- b)

= 75 – (- 84)

= 75 + 84

= 159

Now, Right Hand Side (RHS) = a + b

= 75 + 84

= 159

By comparing LHS and RHS

LHS = RHS

159 = 159

Hence, the value of a and b is verified.

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Answer 2

Answer:

Step-by-step explanation:

Yes, They are equal as the equations of both the sides are equal.

∴ a - (-b) = a + b     ∵ a = 75 , b = 84

Verifying,

LHS ,                                                                       RHS ,

= a - (-b)                                                                  = a + b

= a + b                                                                     = 75 + 84

= 75 + 84                                                                 = 159              

= 159

∴ 159 = 159

LHS = RHS

Hence Verified.

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