Use the Substitution Method or the Elimination Method to Solve

question 96

Multiple Choice

Use the substitution method or the elimination method to solve the system. If the system has infinitely many solutions, express the ordered pair in terms of x or y.
-5x + 7y = 22
5x + 2y = 42

• A)(-4, 10)
• B)(-10, 7)
• C)( -10, 5)
• D)(10, -4)

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