Question

Which equation has infinitely many solutions?

Select one:

2x + 1= 5x - 3x -1

2x + 1= 5x + 3x -1

2x+ 1= 5x +2x -1

2x +1= 3x - x +1

Don’t answer unless you know

Answer 1

the last one

Explanation:

if you start solving and end up with all zero it's infinetly many