Explanation:
so, what is the question ?
in case you need to find the solution (= the crossing point) of these two equations :
x - 10 = 5x - 2
-8 = 4x
x = -2
y = (picking one of the equations) x - 10 = -2 - 10 = -12
so, the solution (or crossing point) is (-2, -12)