Answer:
B) 8 and -3
Step-by-step explanation:
x + y = 5
x - y = 11
we could use the substitution method as follows:
x = 5 - y is the same as x + y = 5
substitute '5 - y' for 'x' in the second equation to get:
5 - y - y = 11
5 - 2y = 11
-2y = 6
y = -3
x + (-3) = 5
x = 8
