In the system –12c + 3d = 6 and –3c + 6d = –9, which expression could you use for substitution?

1 answer:

inna [77]3 years ago

8 0

–12c + 3d = 6

12c = 3d - 6

c = 1/4 d - 1/2

Answer is

C. c = 1/4 d – 1/2

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