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OpenStudy (anonymous):
Which is a solution of the equation? 2x + y = 5 A. 5 B. (2, –1) C. (1, 2) D. (3, –1)
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OpenStudy (anonymous):
D
OpenStudy (anonymous):
It's d. just plug in the answers and work it out:)
OpenStudy (anonymous):
What do you mean plug it in?
OpenStudy (anonymous):
2x+y=5 right, well for x plug in 3 2(3)+-1=5
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