tinabmth
tinabmth
09-11-2016
Mathematics
contestada
What is the value of r? 5 + r - 2 = 9
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puppy8077
puppy8077
09-11-2016
5 + r - 2 = 9
add 2 to both sides (because they are like terms)
+ 2 +2
5 + r = 11
subtract 5 from both sides, 5-5 cancels out and 11 - 5 is 6
-5 -5
r = 6
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Zachary101234
Zachary101234
09-11-2016
6 because 5+6=11-2=9
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