x-1+3=9+8x

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Solution for x-1+3=9+8x equation: 



x-1+3=9+8x

We move all terms to the left:

x-1+3-(9+8x)=0

We add all the numbers together, and all the variables

x-(8x+9)-1+3=0

We add all the numbers together, and all the variables

x-(8x+9)+2=0

We get rid of parentheses

x-8x-9+2=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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