Answer :
Answer:
x = -7
y = 9
Step-by-step explanation:
x + y = 2
x - y = -16
substitute '2-x' for 'y'
x - (2-x) = -16
x - 2 + x = -16
2x - 2 = -16
2x = -14
x = -7
-7 + y = 2
y = 9
Answer:
x = -7
y = 9
Step-by-step explanation:
x + y = 2
x - y = -16
substitute '2-x' for 'y'
x - (2-x) = -16
x - 2 + x = -16
2x - 2 = -16
2x = -14
x = -7
-7 + y = 2
y = 9