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X/(2X+1)=16/40
We move all terms to the left:
X/(2X+1)-(16/40)=0
Domain of the equation: (2X+1)!=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
2X!=-1
X!=-1/2
X!=-1/2
X∈R
X/(2X+1)-(+16/40)=0
We get rid of parentheses
X/(2X+1)-16/40=0
We calculate fractions
40X/(80X+40)+(-32X-16)/(80X+40)=0
We multiply all the terms by the denominator
40X+(-32X-16)=0
We get rid of parentheses
40X-32X-16=0
We add all the numbers together, and all the variables
8X-16=0
We move all terms containing X to the left, all other terms to the right
8X=16
X=16/8
X=2
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