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  • 4x=15
    x=15/4
  • 4x-3=17
    x=5
  • x/5 =20
    x=100
  • 3+x=7
    x=4
  • -4x+9=9
    x=0
  • 3x+11=38
    x=9
  • 24-4x=52
    x=-7
  • 7-x=8
    x=-1
  • -5x=0
    x=0
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