{-4×-y=8

{3×-2y=-6

You are in big trouble!

Use * online for multiplication.

Use x for variable name

-4x-y = 8
3x-2y = -6

from #1, it is clear that y = -4x-8
so, use that in #2 to get
3x-2(-4x+-8) = -6
x = -2
y = 0