Use the substitution method to solve the system. 7x + y = 0-7x + y = -14

A. (1, -7)
B. (1, 14)
C. (-1, -7)
D. (-1, 7)


Answer: A

Mathematics

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A. Prime polynomial B. (2x - 1)2 C. (2x + 1)(2x - 1) D. (2x + 1)2

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A. 88 ft.2 B. 44 ft.2 C. 968 ft.2 D. 484 ft.2

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Solve the equation and state the solution set. = 

A.
B.
C. {6}
D.

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Answer the question.The ordered pair (1,   ) is a solution of the equation 

Fill in the blank(s) with the appropriate word(s).

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