zandrea
zandrea
07-09-2016
Mathematics
contestada
step by step 6r+7=13+7r
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texaschic101
texaschic101
07-09-2016
6r + 7 = 13 + 7r ....subtract 7r from both sides
6r - 7r + 7 = 13 + 7r - 7r....simplify
-r + 7 = 13....subtract 7 from both sides
-r + 7 - 7 = 13 - 7...simplify
-r = 6...multiply by -1 to make r positive
r = -6
Answer Link
ELIAS1576
ELIAS1576
07-09-2016
6r+7=13+7r
6r-7r=13-7
-r = 6
r = -6
Answer Link
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