ashleyandcaleb ashleyandcaleb
  • 25-09-2014
  • Mathematics
contestada

please step by step help me solve this problem 3(4d+1)-9d=6(2-d)

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funisalwayshere
funisalwayshere funisalwayshere
  • 25-09-2014
3*4d=12d+(4*1)-9d=3d+4      6*2-(6*d)=12-6d
So 3d+4=12-6d
Answer Link
AlexStanke
AlexStanke AlexStanke
  • 25-09-2014
distribute
(12d+3)-9d=12-6d
combine like terms
3d+3=12-6d
9d=9
divide by 9
d=1
Answer Link

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