1. 

   math_celebrity Administrator Staff Member

   Multiply each side by 2 to isolate y.
   y +2c = 2d
   
   Subtract 2c from each side of the equation:
   y = 2d - 2c
   
   This can also be written y = 2(d - c)

    

   math_celebrity, Sep 9, 2016

   #1
   
   

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