x-(20-x)=8

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Solution for x-(20-x)=8 equation: 



x-(20-x)=8

We move all terms to the left:

x-(20-x)-(8)=0

We add all the numbers together, and all the variables

x-(-1x+20)-8=0

We get rid of parentheses

x+1x-20-8=0

We add all the numbers together, and all the variables

2x-28=0

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

2x=28

x=28/2

x=14

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