Multiple Choice
Solve for x and y:
X + y = 40
-x + y = -20
A) x = 30; y = 10
B) x = - 10; y = 30
C) x = - 30; y = - 10
D) x = - 60; y = 20
E) x = - 60; y = - 20
Correct Answer:
Verified
Correct Answer:
Verified
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