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x/3x+1=x+2/7x
We move all terms to the left:
x/3x+1-(x+2/7x)=0
Domain of the equation: 3x!=0
x!=0/3
x!=0
x∈R
Domain of the equation: 7x)!=0We add all the numbers together, and all the variables
x!=0/1
x!=0
x∈R
x/3x-(+x+2/7x)+1=0
We get rid of parentheses
x/3x-x-2/7x+1=0
We calculate fractions
7x^2/21x^2-x+(-6x)/21x^2+1=0
We add all the numbers together, and all the variables
7x^2/21x^2-1x+(-6x)/21x^2+1=0
We multiply all the terms by the denominator
7x^2-1x*21x^2+(-6x)+1*21x^2=0
Wy multiply elements
7x^2-21x^3+21x^2+(-6x)=0
We get rid of parentheses
7x^2-21x^3+21x^2-6x=0
We do not support expression: x^3
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