.5x+4/5x=x+9

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Solution for .5x+4/5x=x+9 equation: 



.5x+4/5x=x+9

We move all terms to the left:

.5x+4/5x-(x+9)=0



Domain of the equation: 5x!=0

x!=0/5

x!=0

x∈R



We get rid of parentheses

.5x+4/5x-x-9=0

We multiply all the terms by the denominator


(.5x)*5x-x*5x-9*5x+4=0

We add all the numbers together, and all the variables

(+.5x)*5x-x*5x-9*5x+4=0

We multiply parentheses

5x^2-x*5x-9*5x+4=0

Wy multiply elements

5x^2-5x^2-45x+4=0

We add all the numbers together, and all the variables

-45x+4=0

We move all terms containing x to the left, all other terms to the right

-45x=-4

x=-4/-45

x=4/45

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