13-x=8x+4

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Solution for 13-x=8x+4 equation: 



13-x=8x+4

We move all terms to the left:

13-x-(8x+4)=0

We add all the numbers together, and all the variables

-1x-(8x+4)+13=0

We get rid of parentheses

-1x-8x-4+13=0

We add all the numbers together, and all the variables

-9x+9=0

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

-9x=-9

x=-9/-9

x=1

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