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Substituting and evaluating algebraic expressions questions and answers

What is the value of #x+frac{2n-r}{y}# where x=5, y=2x, n=x+9 and r=n+6?
A. #2 1/2#
B. #2#
C. #6 1/5#
D. #5 4/5#

(4m 28s)

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