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Mathematics 18 Online
OpenStudy (anonymous):

Which ordered pair in the form (a, b) is a solution of this equation? 3a – 4b = 21 A. (7, 0) B. (0, 7) C. (–3, –2) D. (–2, –3)

OpenStudy (anonymous):

A. (7,0) by trial and error.

OpenStudy (anonymous):

its a

OpenStudy (anonymous):

Thanks!

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