Translate to a system of three equations, then solve.The sum of three numbers is -5. The first, minus the second, plus 3 times the third, is 15. The third, plus 2 times the first, plus the second, is -10. What are the numbers?
A. -5, -5, 5
B. 5, 5, -5
C. -5, -5, -5
D. No solution
Answer: A
Mathematics
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