SOLUTION: -7+4r=-15 what is the answer with showing work

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Question 178766: -7+4r=-15 what is the answer with showing work
Answer by Mathtut(3670)   (Show Source): You can put this solution on YOUR website!
-7+4r=-15
:
4r=-8.....added 7 to both sides
:
divided both sides by 4 to isolate the variable r

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