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- 1 decade agoFavorite Answer
7r-2+5r=6r+6-4r
collect like terms
7r + 5r - 6r + 4r = 6 + 2
10r = 8
r = 8/10
r = 4/5
- Anonymous1 decade ago
7r-2+5r=6r+6-4r
7r+5r-6r+4r = 2+6
r(7+5-6+4) = 8
10r = 8
r = 8/10
r = 4/5
- Anonymous1 decade ago
r= 4/5
- 1 decade ago
r = 8/10 = 4/5 = 0.8
you should refer to your teacher if you are having difficulty understanding the concept of how to get the answer.
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