9x-38x=7-x

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Solution for 9x-38x=7-x equation: 



9x-38x=7-x

We move all terms to the left:

9x-38x-(7-x)=0

We add all the numbers together, and all the variables

9x-38x-(-1x+7)=0

We add all the numbers together, and all the variables

-29x-(-1x+7)=0

We get rid of parentheses

-29x+1x-7=0

We add all the numbers together, and all the variables

-28x-7=0

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

-28x=7

x=7/-28

x=-1/4

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