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Solve the System of Equations by Substitution

Question 418

Multiple Choice

Solve the system of equations by substitution.
-Solve the system of equations by substitution. - A) x = 1, y = -9; (1, -9) B) x = -1, y = 9; (-1, 9) C) x = 1, y = 18; (1, 18) D) x = -1, y = -9; (-1, -9)


A) x = 1, y = -9; (1, -9)
B) x = -1, y = 9; (-1, 9)
C) x = 1, y = 18; (1, 18)
D) x = -1, y = -9; (-1, -9)

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