Vanessa & Jakob's two Step Equation

Vanessa & Jakob's two Step Equation
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  • Can somebody tell me what do here?
  • 9x+17=20+15x
  • 9x+17=20+15x
  • What you do is you add the 9x+17, then do the same on the other side 
  • Also when you are done just put the equation between them
  • 9x+17=20+15x
  • Thats actually wrong you just add the numbers that don't have a varible
  • Then don't you do the same with the other one with the varible, expect the one that you didn't move over goes to the other side
  • 9x+17=20+15x
  • Actually, you are all wrong.You want to bring the lowest number to the other side of the equation
  • 9x+17=20+15x 17=20-9x 20=6x -3=6x -2
  • So is the answer -3
  • Yes, so you would move the 17 to the other side and substract 20 to 17, then move 15x where the 9x is and subtract them too.
  • 9(-2)+17=20+15(-2) -18+17=20-30 -1=-1
  • Then you verify
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