text: 2014-12-14T19:41:09-05:00
  32=4(x+9)
  
  4(x+9)
  4x + 36= 32
  4x=32-36
  4x=-4
  x=-1
  2014-12-14T19:43:43-05:00
  32 = 4(x + 9)
  
  Distribute the 4 into the parentheses ( )
  4 • x = 4x
  +4 • 9 = 36
  
  32  = 4x + 36
  -36   -36
  -4   = 4x
  /4      /4
  -1 = x