Answer:
X = 2 , Y = 3
Step-by-step explanation:
Equation 1
x=y-1
Equation 1
x -y = -1
Equation 2
x+2y=8
Multiply equation 2 by equation -1
-x-2y= -8
By elimination method
x -y = -1
- x-2y= -8
-3 y = - 9
Y = 3
Put Y = 9 in equation 1
X - Y = -1
X -3 = -1
X = 3 -1
X = 2
X = 2 , Y = 3
