x=20-8x

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Solution for x=20-8x equation: 



x=20-8x

We move all terms to the left:

x-(20-8x)=0

We add all the numbers together, and all the variables

x-(-8x+20)=0

We get rid of parentheses

x+8x-20=0

We add all the numbers together, and all the variables

9x-20=0

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

9x=20

x=20/9

x=2+2/9

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