20=-16+4/9x

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Solution for 20=-16+4/9x equation: 



20=-16+4/9x

We move all terms to the left:

20-(-16+4/9x)=0



Domain of the equation: 9x)!=0

x!=0/1

x!=0

x∈R



We add all the numbers together, and all the variables

-(4/9x-16)+20=0

We get rid of parentheses

-4/9x+16+20=0

We multiply all the terms by the denominator


16*9x+20*9x-4=0

Wy multiply elements

144x+180x-4=0

We add all the numbers together, and all the variables

324x-4=0

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

324x=4

x=4/324

x=1/81

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