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OpenStudy (anonymous):
Which ordered pairs in the form (x, y) are solutions to the equation 3x – 4y = 21? Choose all answers that are correct. A. (−3, 3) B. (−1, −6) C. (7, 0) D. (11, 3)
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OpenStudy (anonymous):
plug in the x values for x and the y values for y, if they equal 21 then they are a solution
OpenStudy (anonymous):
It's an order pair (x,y) so just plug in x and y to the equation if one side equals the other that the correct answer
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