1/3x+1/4x-1/5=1,8/15

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Solution for 1/3x+1/4x-1/5=1,8/15 equation: 



1/3x+1/4x-1/5=1.8/15

We move all terms to the left:

1/3x+1/4x-1/5-(1.8/15)=0



Domain of the equation: 3x!=0

x!=0/3

x!=0

x∈R





Domain of the equation: 4x!=0

x!=0/4

x!=0

x∈R



We add all the numbers together, and all the variables

1/3x+1/4x-1/5-(+1.8/15)=0

We get rid of parentheses

1/3x+1/4x-1/5-1.8/15=0

We calculate fractions


(-720x^2)/4500x^2+1500x/4500x^2+1125x/4500x^2+(-1.8*3x*4x*5)/4500x^2=0

We multiply all the terms by the denominator


(-720x^2)+1500x+1125x+(-1.8*3x*4x*5)=0

We add all the numbers together, and all the variables

(-720x^2)+2625x+(-1.8*3x*4x*5)=0

We get rid of parentheses

-720x^2+2625x-1.8*3x*4x*5=0

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