HELP ASAP GIVING BRAINLIEST!! which equation has infinitely many solutions?

A. 3x - 2=2-3x

B. x+ 3x+6=6+4x

C. 2x+7x-5=-9x+5

D. 4x-5x+3=-5x+4x-3

Given: f(x) = 2x + 5 and g(x) = x2 and h(x) = -2x h(g(f( = x2+ vx+ x + y

How do i do this? i don’t understand

The total cost of anja’s trip to the dentist was $628.35. she paid a flat fee of $89.95 which included the checkup and cleaning and then had 4 cavities filled, each of which cost the same amount. which shows the correct equation and value of x, the cost of each cavity filling?