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OpenStudy (anonymous):
Which ordered pair in the form (a, b) is a solution of this equation? 3a – 4b = 21 A. (0, 7) B. (–3, –2) C. (7, 0) D. (–2, –3)
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OpenStudy (anonymous):
A would work can you only choose 1
OpenStudy (anonymous):
Sorry b not a
OpenStudy (anonymous):
Solve for b b = (3a/4) - (21/4) 3a = 21 when a = 7
OpenStudy (anonymous):
C.
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