7x-55=9x+9

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Solution for 7x-55=9x+9 equation: 



7x-55=9x+9

We move all terms to the left:

7x-55-(9x+9)=0

We get rid of parentheses

7x-9x-9-55=0

We add all the numbers together, and all the variables

-2x-64=0

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

-2x=64

x=64/-2

x=-32

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