Question

Twelve decreased by three times a number is equal to the same number ​

Answer 1

The number is 3

Explanation:

Let

x-----> the number

we know that

The algebraic representation of the phrase "twelve decreased by three times a number is equal to the same number"

is equal to

`(12-3x)=x`

solve for x

`3x+x=12`

`4x=12`

`x=3`