Answer:
x = 1.2; y = -2.8
Step-by-step explanation:
y = x -4
y = 6x -10
y -x = -4
y -6x = -10
Subtracting the equations:
5x = 6
x = 6/5 or 1.2
Substitute x = 1.2
y = 1.2 - 4
y = -2.8 or -14/5