7x-9=-107-7x

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Solution for 7x-9=-107-7x equation: 



7x-9=-107-7x

We move all terms to the left:

7x-9-(-107-7x)=0

We add all the numbers together, and all the variables

7x-(-7x-107)-9=0

We get rid of parentheses

7x+7x+107-9=0

We add all the numbers together, and all the variables

14x+98=0

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

14x=-98

x=-98/14

x=-7

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