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    Introductory and Intermediate Algebra Study Set 1
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    Exam 9: Systems of Equations
  5. Question
    Solve by the Substitution Method
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Solve by the Substitution Method

Question 21

Question 21

Multiple Choice

Solve by the substitution method.
-x + y = 7 5x + 5y = 35


A) (0, 0)
B) Infinite number of solutions
C) (7, 5)
D) (8, -1)

Correct Answer:

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