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R+1/2r=9/4 can someone please explain on how to solve this equation?

0 votes

please help! thanks in advance

solve-equation

asked Sep 4, 2013 in PRE-ALGEBRA by anonymous

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1 Answer

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r + ½r = 9/4; note that "r" is the same as 2/2 r

2/2r + ½r = 9/4

(3/2)r = 9/4

r = 9/4 ÷ 3/2

r = 9/4 • 2/3

= 18/12

= 3/2

answered Sep 4, 2013 by Naren Answers Apprentice

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