SOLUTION: (r+1)/4 = (1+2r)/5

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Question 35045This question is from textbook Intermediate Algebra
: (r+1)/4 = (1+2r)/5 This question is from textbook Intermediate Algebra

Found 2 solutions by longjonsilver, Prithwis:
Answer by longjonsilver(2297) About Me  (Show Source):
You can put this solution on YOUR website!
assuming you mean: +%28r%2B1%29%2F4+=+%281%2B2r%29%2F5+
+5%28r%2B1%29+=+4%281%2B2r%29+
+5r%2B5+=+4%2B8r+
+-3r%2B5+=+4+
+-3r+=+-1+
+r+=+%28-1%29%2F%28-3%29+
+r+=+1%2F3+

jon.

Answer by Prithwis(166) About Me  (Show Source):
You can put this solution on YOUR website!
(r+1)/4 = (1+2r)/5
=> 5(r+1)=4(1+2r)
=> 5r+5=4+8r
=> 8r-5r=5-4
=> 3r=1
=> r=1/3