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The value of $− 3 − 47$ after evaluating is:

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− 15 7

− 25 7

− 20 7

− 5 7

answer is B.

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Detailed Solution

Given a expression

− 3 − 47

.
L.C.M of 1 and 7 = 7.
Firstly, taking L.C.M of denominator and simplifying

= (− 3 × 7) − 4 1 × 7 = − 21 − 4 7 = − 25 7

The answer is

− 25 7

.
Hence, option 2 is correct.

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