SOLUTION: Hi I would like some help with this equation, I get confused because of the double d.I have tried opposite in each side but I don't think is right.I appreciate it. 6d+7=5d-2

Algebra ->  Coordinate Systems and Linear Equations  -> Lessons -> SOLUTION: Hi I would like some help with this equation, I get confused because of the double d.I have tried opposite in each side but I don't think is right.I appreciate it. 6d+7=5d-2      Log On


   

Question 591484: Hi I would like some help with this equation, I get confused because of the double d.I have tried opposite in each side but I don't think is right.I appreciate it.
6d+7=5d-2
Found 2 solutions by rfer, derangoj:
Answer by rfer(16322) About Me  (Show Source):
You can put this solution on YOUR website!
6d-5d=-2-7
d=-9

Answer by derangoj(14) About Me  (Show Source):
You can put this solution on YOUR website!
6d+7=5d-2
subtract 5d-2 from both sides you get.
6d+7
-5d+2
d+9=0
d=-9