Solve using the elimination method.2 x - y = 7-2 x + y = -7
A. Infinite number of solutions
B. No solution
C. (6, 6)
D. (5, 6)
Answer: A
Mathematics
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A. 9
B. 9
C. 9x2
D. 9x
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Combine like terms.5x + 14 + x + 4xy
A. 6x + 4xy + 14 B. 5x + 4xy + 14 C. 10xy + 14 D. 10x + 4y + 14
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Find the unknown number in the proportion. Round answer to the nearest hundredth when necessary. =
A. x = 18.23 B. x = 0.05 C. x = 6.64 D. x = 184.55
Mathematics