Answer=2x-x+7=x+3+4
x+7=x+7
x= Any real
First, let's combine like terms:
[tex]2x-x+7 = x+3+4[/tex]
[tex]x+7=x+7[/tex]
Subtract 7 from both sides:
[tex]x = x[/tex]
Because x = x, it means that this expression has infinite solutions. The solution set for this is (-∞ < x < ∞).
