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Mathematics 18 Online
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

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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