Question

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Answer 1

Answer:

The answer is a option B

Answer 2

Answer:

Step-by-step explanation:

45-[28- {36-(13+X)}] =60

45-[28-{36-13-X}] = 60

45-[28-36+13+X] = 60

45-28+36-13-X = 60

40 -X = 60

X = -20.

HOPE THIS HELPS.