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4r + 6r - 13 = 7r + 5
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4r + 6r - 13 = 7r + 5

User Willy Du Preez
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1 Answer

7 votes
10r-13=7r+5
-7r -7r
3r-13=5
+13 +13
3r=18
/3 /3
r=6
User Miledy
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6.9k points
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