How many solutions does −3x=−x−2x have?

Question

i wanna know how many solutions does the problem have.

Answer 1

I think this equation has infinite solutions.  Here's why:

 

−3x=−x−2x

 

Multiply both sides by -1

 

3x=x + 2x

 

3x = 3x  This would be true for any x.