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Mathematics 7 Online
OpenStudy (anonymous):

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

OpenStudy (senkai):

You would have to plug in each one in order to find the correct one. Let's try with the first answer choice |dw:1414187951673:dw| That one is wrong.

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