-4=x/20-x

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Solution for -4=x/20-x equation: 



-4=x/20-x

We move all terms to the left:

-4-(x/20-x)=0



Domain of the equation: 20-x)!=0

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

-x)!=-20

x!=-20/1

x!=-20

x∈R



We add all the numbers together, and all the variables

-(-1x+x/20)-4=0

We get rid of parentheses

1x-x/20-4=0

We multiply all the terms by the denominator


1x*20-x-4*20=0

We add all the numbers together, and all the variables

-1x+1x*20-80=0

Wy multiply elements

-1x+20x-80=0

We add all the numbers together, and all the variables

19x-80=0

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

19x=80

x=80/19

x=4+4/19

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