-x=7x-x

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Solution for -x=7x-x equation: 



-x=7x-x

We move all terms to the left:

-x-(7x-x)=0

We add all the numbers together, and all the variables

-x-(+6x)=0

We add all the numbers together, and all the variables

-1x-(+6x)=0

We get rid of parentheses

-1x-6x=0

We add all the numbers together, and all the variables

-7x=0

x=0/-7

x=0

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