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OpenStudy (anonymous):
Which of the following values for c would mean that the system of equations 2x – 3y = 1 and cx – 3y = 2 will have a solution of (–1, –1)? A.2 B.3 C.1 D.0
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jimthompson5910 (jim_thompson5910):
plug in x = -1 and y = -1 into the second equation then solve for c
OpenStudy (anonymous):
The answer was C thanks :)
jimthompson5910 (jim_thompson5910):
yw
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