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OpenStudy (anonymous):
NEED HELP PLEASE! In the system –12c + 3d = 6 and –3c + 6d = –9, which expression could you use for substitution? A. d= -1/2c - 3/2 B. c = –2d + 3 C. c= 1/4d-1/2 D. d = 4c – 2
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OpenStudy (anonymous):
C , just solve for c in the 2nd equation
OpenStudy (anonymous):
Thank you!
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