(x)=20-7x

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Solution for (x)=20-7x equation: 



(x)=20-7x

We move all terms to the left:

(x)-(20-7x)=0

We add all the numbers together, and all the variables

x-(-7x+20)=0

We get rid of parentheses

x+7x-20=0

We add all the numbers together, and all the variables

8x-20=0

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

8x=20

x=20/8

x=2+1/2

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