the value of a and b before following addition are respectively 23A + A3B = 631. a)4,7 b)7,4 c)5,6 d)6,5
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Mathematics
Science
Chapters in NCERT Solutions - Mathematics, Class 7
Exercises in Integers
Question 47
Verify a – (– b) = a + b for the following values of a and b.
a = 21, b =18
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ANSWER:
From the question,
a = 21 and b = 18
To verify a – (- b) = a + b
Let us take Left Hand Side (LHS) = a – (- b)
= 21 – (- 18)
= 21 + 18
= 39
Now, Right Hand Side (RHS) = a + b
= 21 + 18
= 39
By comparing LHS and RHS
LHS = RHS
39 = 39
Hence, the value of a and b is Verified.
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Answer:
the value ofbefote anwer ias addition 46
Step-by-step explanation:
yes this anwer is a 46
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