acoral2003
acoral2003
20-08-2016
Mathematics
contestada
-3(2r+7)=3 solve for r
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Sierrawhite2000
Sierrawhite2000
20-08-2016
-3(2r+7)=3
-6r + -42=3
+42 +42
-6r =45
Then all you do is divide
Answer Link
Ckaranja
Ckaranja
20-08-2016
-3(2r+7)=3
Opening the brackets;
-6r-21=3
-6r=3+21
-6r=24
r=-4
Answer Link
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