souleater1st souleater1st
  • 06-03-2018
  • Mathematics
contestada

1/3(9x+12)=15 hope you can help

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Аноним Аноним
  • 06-03-2018
Hello friend!

1/3(9x+12)=15

We move all terms to the left:

1/3(9x+12)-(15)=0


Domain of the equation: 3(9x+12)!=0

x∈R


We multiply all the terms by the denominator


-15*3(9x+12)+1=0

multiply elements

-45x(9+1=0
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