3/5x+1/4x=x-9

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Solution for 3/5x+1/4x=x-9 equation: 



3/5x+1/4x=x-9

We move all terms to the left:

3/5x+1/4x-(x-9)=0



Domain of the equation: 5x!=0

x!=0/5

x!=0

x∈R





Domain of the equation: 4x!=0

x!=0/4

x!=0

x∈R



We get rid of parentheses

3/5x+1/4x-x+9=0

We calculate fractions


-x+12x/20x^2+5x/20x^2+9=0

We add all the numbers together, and all the variables

-1x+12x/20x^2+5x/20x^2+9=0

We multiply all the terms by the denominator


-1x*20x^2+12x+5x+9*20x^2=0

We add all the numbers together, and all the variables

17x-1x*20x^2+9*20x^2=0

Wy multiply elements

-20x^3+180x^2+17x=0

We do not support expression: x^3

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