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Problems Involving Difference of Positive and Negative Numbers

Question 5 i ...

Question

Question 5 (i)

When a = 0, b = -1, find the value of the given expression:
2a + 2b

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Solution

2a + 2b = 2(0) + 2(-1) [Putting a = 0, b = -1]
= 0 – 2 = -2

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Question 5 (ii)

When a = 0, b = -1, find the value of the given expression:
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Question 5 (iv)

When a = 0, b = -1, find the value of the given expression:
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Problems Involving Difference of Positive and Negative Numbers

Standard VII Mathematics

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