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OpenStudy (anonymous):
2.) If 2x + 5y = 21 and x + y = 3, then what is the value of x? It is your choice to use either substitution or elimination, but you must show your work. Can someone help me solve for Y. I have x=-2. But I'm having trouble finding y. Thank you
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OpenStudy (anonymous):
x=-2 and y=5
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