8-2x=9-x

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Solution for 8-2x=9-x equation: 



8-2x=9-x

We move all terms to the left:

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

We add all the numbers together, and all the variables

-2x-(-1x+9)+8=0

We get rid of parentheses

-2x+1x-9+8=0

We add all the numbers together, and all the variables

-1x-1=0

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

-x=1

x=1/-1

x=-1

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