x = -6y + 9 --- (1)
-x + 4y = 11 --- (2)
Substituting (1) into (2), we will get:
-(-6y + 9) + 4y = 11
6y - 9 + 4y = 11
10y - 9 = 11
10y = 11 + 9
10y = 20
y = 20 / 10
y = 2
Substituting y = 2 into (1), we will get:
x = -6(2) + 9
x = -12 + 9
x = -3
Hence x = -3 and y = 2