Question

when 3 times a number is subtracted from 39, the result is 3 plus the number. what is the number?

Answer 1

3x-39=3+x ==> x=21

Answer 2

I mean 21/2

Answer 3

39-3x=3+x

Answer 4

4x=36
x=9

Answer 5

this is the equation:
3x-39=3+x
3x-x=3+39
2x=42
*divided by 2
X=21

Answer 6

39 - 3x = 3 + x

39-3=x+3x

36=4x

9=x