x-7x=-9-7x

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



x-7x=-9-7x

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We add all the numbers together, and all the variables

-6x-(-7x-9)=0

We get rid of parentheses

-6x+7x+9=0

We add all the numbers together, and all the variables

x+9=0

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

x=-9

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