Which statement is true about the solutions to the equation x + 18 = x - 2?
The solutions are x = 7 and x = 2,
The solutions are x = - 7 and
and x = 2 is an extraneous solution.
x = -2, and x = -2 is an extraneous
solution.
The solutions are x = 7 and x = -2,
The solutions are x = -7 and x = 2
and x = -2 is an extraneous
, and x = 2 is an extraneous solution.
solution.