Andrew M. answered • 01/04/17
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Mathematics - Algebra a Specialty / F.I.T. Grad - B.S. w/Honors
Let x = # pens
Let y = # pencils
x + y = 21
y = x - 3
Holly O.
asked • 01/04/17Write a system of linear equations that represents this situation.
You have a total of 21 pens and pencils on your desk. You have 3 more pens than pencils.
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