Question:
Twice a number when decreased by7 gives 45 .find the number
Answer:
Let the number is x
Given, twice a number when decreased by 7 gives 45
=> 2x - 7 = 45
=> 2x = 45 + 7
=> 2x = 52
=> x = 52/2
=> x = 26
Hence, the number is 26
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