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  • -20=2/3Y-8
    Y= -18
  • 12(9-x)=84
    X= 2
  • 26.5=1+0.25X
    X=102
  • -112-2Y=-24
    Y= -44
  • 3B-6=21
    ฺB=9
  • -0.3Y-0.6=0.9
    Y= -5
  • 5X+6=31
    X=5
  • A/3 + 4 = -10
    A= -42
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