How Many Solutions Are There To The Equation Below? 220 = 2x - 12x

There is only one solution, which is:
the question:
220=2x-12x
subtracting
220=-10x
dividing
x=220/-10
So
x=-22

How many solutions are there to the equation below?

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

220 = 2x-12x
220 = -10x
x = -22