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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