Answer:
x = 16
y = -7
Step-by-step explanation:
y = 9 - x
2x + 3y = 11
y = 9 - x
2x + 3(9 - x) = 11
y = 9 - x
2x + 27 - 3x =11
y = 9 - x
-x + 27 = 11
y = 9 - x
-x = - 16
y = 9 - 16
x = 16
y = -7
x = 16
there is only 1 solution for this equation is (16,-7)
