Question

three times the sum of a number and 4 gives 21 find the number​

Answer 1

Let the number be x.

A.T.Q.

3 ( x + 4 ) = 21

x + 4 = 21 / 3

x + 4 = 7

x = 7 - 4

x = 3

Hence, the number is 3.

Answer 2

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Please take a look at the above attachment.


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