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-3r+10=15r-8

Guest Aug 23, 2017

Best Answer 

 #1
avatar+78729 
+1

 

-3r+10=15r-8      add  3r, 8 to both sides

 

10 + 8  =  15r + 3r   simplify

 

18 = 18r            divide both sides by 18

 

1  = r

 

 

cool cool cool

CPhill  Aug 23, 2017
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2+0 Answers

 #1
avatar+78729 
+1
Best Answer

 

-3r+10=15r-8      add  3r, 8 to both sides

 

10 + 8  =  15r + 3r   simplify

 

18 = 18r            divide both sides by 18

 

1  = r

 

 

cool cool cool

CPhill  Aug 23, 2017
 #2
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0

its distributive property

Guest Aug 23, 2017

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