3x-9=1+8x

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



3x-9=1+8x

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We get rid of parentheses

3x-8x-1-9=0

We add all the numbers together, and all the variables

-5x-10=0

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

-5x=10

x=10/-5

x=-2

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