I multiply a certain number by 3,add 7 to the product and get 55.What number did I take?

Answers (1)

Suppose I take the number x.
Three times the number=3x.
7 added to the product=3x+7.
By the given condition,
3x+7=55
Rightarrow 3x=55-7
Rightarrow 3x=48
Rightarrow x=frac483
Rightarrow x=16
Hence I took the number 16.

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