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OpenStudy (anonymous):
Which of the following systems of equations has infinitely many solutions? a. 3x + 3y = 11; 6y = 6x − 22 b. 8x − 7 = 6y; 12y − 14 = 4x c. 7y = x + 3; -3x + 21y = 9 d. 5x − 7y = 4; 14y = 10x + 8
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OpenStudy (anonymous):
is it c. 7y = x + 3; -3x + 21y = 9
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