SOLUTION: I'm trying to solve this problem The sum of three times a number and 7 more than the number is the same as the difference between -11 and twice the number. What is the number. This

Algebra ->  Coordinate Systems and Linear Equations  -> Linear Equations and Systems Word Problems -> SOLUTION: I'm trying to solve this problem The sum of three times a number and 7 more than the number is the same as the difference between -11 and twice the number. What is the number. This      Log On


   



Question 572121: I'm trying to solve this problem The sum of three times a number and 7 more than the number is the same as the difference between -11 and twice the number. What is the number. This is what I have, but I don't know where I went wrong. 3x+7+x=-11-2

Answer by ankor@dixie-net.com(22740) About Me  (Show Source):
You can put this solution on YOUR website!
The sum of three times a number and 7 more than the number is the same as the difference between -11 and twice the number. What is the number. This is what I have, but I don't know where I went wrong. 3x+7+x=-11-2
;
So close
3x + 7 + x = -11 - 2x
4x + 2x = -11 - 7
6x = -18
x = -3