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Question

Question 8(i)
Verify a - (-b) = a + b for the following values of a and b.

a = 21, b = 18


Solution

Given,a = 21, b = 18
a - (-b) = 21- (-18) = 21 + 18 = 39
a + b = 21 + 18 = 39
a - (-b) = a + b = 39


Mathematics
NCERT Textbook
Standard VII

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