Answer:
x=-1 , y=-2
Step-by-step explanation:
Replace y in the first equation with x-1.
So, we have -4x+3(x-1)=-2
Multiply brackets with 3: -4x+3x-3=-2
-4x+3x=-2+3 (-3 becomes +3 after it changes sides)
-x=1 /*(-1)
x=-1
After we have x we include it in y=x-1
y=-1-1
y=-2