2x = 3x - 2
2x - 3x = -2
-x = -2
x = 2
Therefore, the number is 2.
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This is an algebraic expression. It can be written as 3(2x + 4)
Call your number some variable, for example, "n". Twice the number would be 2n, adding four to that you get 2n + 4, and six times all that is 6(2n + 4), which is the same as 12n + 24.
7
12
2x - 4 = 6x -4 = 4x x = -1