SOLUTION: I start with a number, multiple it by 7 add 3 subtract it by 5 and divide by 4 and my answer is 7. I can't figure out what number they started out with. Can you show me how to work

Algebra ->  Equations -> SOLUTION: I start with a number, multiple it by 7 add 3 subtract it by 5 and divide by 4 and my answer is 7. I can't figure out what number they started out with. Can you show me how to work      Log On

 

Hi,

I start with a number, multiple it by 7 add 3 subtract it by 5 and divide by 4 and my answer is 7.

 

      7x -2 = 28

        7x = 30

         x = 30/7