-7x+55=9x-57

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Solution for -7x+55=9x-57 equation: 



-7x+55=9x-57

We move all terms to the left:

-7x+55-(9x-57)=0

We get rid of parentheses

-7x-9x+57+55=0

We add all the numbers together, and all the variables

-16x+112=0

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

-16x=-112

x=-112/-16

x=+7

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