-55+x=81-7x

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Solution for -55+x=81-7x equation: 



-55+x=81-7x

We move all terms to the left:

-55+x-(81-7x)=0

We add all the numbers together, and all the variables

x-(-7x+81)-55=0

We get rid of parentheses

x+7x-81-55=0

We add all the numbers together, and all the variables

8x-136=0

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

8x=136

x=136/8

x=17

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