If 2x + 3y = 12 and 3x + 2y = 13, what is the value of x + y?
A. 5
B. 6
C. 25
D. 4
A. 5
B. 6
C. 25
D. 4
Best answer
Answer: A. 5
Answer: (A) 5
Shortcut: add the equations: 5x + 5y = 25, so x + y = 5. (Here x = 3, y = 2.)
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