A number is doubled and 9 is added. If the resultant is trebled, it becomes 75. What is that number?

A ) 33

B ) 8 ✅

C ) 5

D ) 3

Explanation: Let x= the number So according to the given conditions, 3 ( 2x + 9) = 75 6x + 27 = 75 6x = 75 − 27 6x = 48 x = 48/6 ​x = 8
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