If 5x + 2 = 17 and 3y - 1 = 14, find x + y:
A6
B8
C10
D12
Answer & Solution
Correct answer: B. 8
From first: 5x = 15 → x = 3. From second: 3y = 15 → y = 5. So x + y = 3 + 5 = 8.
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