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x/(x+4)=6/9
We move all terms to the left:
x/(x+4)-(6/9)=0
Domain of the equation: (x+4)!=0We add all the numbers together, and all the variables
We move all terms containing x to the left, all other terms to the right
x!=-4
x∈R
x/(x+4)-(+6/9)=0
We get rid of parentheses
x/(x+4)-6/9=0
We calculate fractions
9x/(9x+36)+(-6x-24)/(9x+36)=0
We multiply all the terms by the denominator
9x+(-6x-24)=0
We get rid of parentheses
9x-6x-24=0
We add all the numbers together, and all the variables
3x-24=0
We move all terms containing x to the left, all other terms to the right
3x=24
x=24/3
x=8
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