Answer:
X = -3, Y = -8
Step-by-step explanation:
-2X-Y=14
X-4Y=29
Multiply the second equation by 2 so we can eliminate x
2(X-4Y)=29*2
2X - 8Y = 58
Add this to the first equation
-2X-Y=14
2X - 8Y = 58
--------------------
-9Y = 72
Divide each side by -9
-9Y/-9 = 72/-9
Y = -8
Now we need to find X
X-4Y=29
X - 4(-8) = 29
X +32 = 29
Subtract 32 from each side
X +32-32= 29-32
X = -3
