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ryandances

5) -(7-4x)=9  : distribute the negative
     -7+4x=9   : add 7 to both sides of the equation
    4x=16   : divide both sides of the equation by 4
    x=4

6) t/3 + 25=61 : subtract 25 from both sides 
   t/3=36          : multiply both sides of the equation by 3
  t=108
    

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