2x-6=3x+1-x-7
Simplify the right side by combining like terms:
2X - 6 = 2X - 6
Because both sides of the equation are the same any value of X will make this true.
2x - 6 = 3x + 1 - x - 7
2x = 2x + 1 - 7 + 6
2x = 2x
This is an identity so there are Infinite number of solutions.
