luvstruckdevil2
luvstruckdevil2
18-09-2017
Mathematics
contestada
r+15=4r-6
Please show all work!!!!
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Аноним
Аноним
18-09-2017
I believe the answer is r=7
r+15-4r=4r-6-4r
-3r+15=-6
-3r+15-15=-6-15
-3r=-21
-3r/-3
-21/-3
r=7
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