13-x=20-8x

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Solution for 13-x=20-8x equation: 



13-x=20-8x

We move all terms to the left:

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

We add all the numbers together, and all the variables

-x-(-8x+20)+13=0

We add all the numbers together, and all the variables

-1x-(-8x+20)+13=0

We get rid of parentheses

-1x+8x-20+13=0

We add all the numbers together, and all the variables

7x-7=0

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

7x=7

x=7/7

x=1

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