SOLUTION: 2x=-x+9

Algebra ->  Systems-of-equations -> SOLUTION: 2x=-x+9      Log On


   



Question 14951: 2x=-x+9
Answer by jb007mi6(53) About Me  (Show Source):
You can put this solution on YOUR website!
so you would add x to both sides
2x+x=-x+9+x
which boils down to
3x=9
divide both sides by three
x=3