(x-1)=2x+9

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Solution for (x-1)=2x+9 equation: 



(x-1)=2x+9

We move all terms to the left:

(x-1)-(2x+9)=0

We get rid of parentheses

x-2x-1-9=0

We add all the numbers together, and all the variables

-1x-10=0

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

-x=10

x=10/-1

x=-10

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