-84-x=-7x+72

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Solution for -84-x=-7x+72 equation: 



-84-x=-7x+72

We move all terms to the left:

-84-x-(-7x+72)=0

We add all the numbers together, and all the variables

-1x-(-7x+72)-84=0

We get rid of parentheses

-1x+7x-72-84=0

We add all the numbers together, and all the variables

6x-156=0

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

6x=156

x=156/6

x=26

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