81=27-x-4

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Solution for 81=27-x-4 equation: 



81=27-x-4

We move all terms to the left:

81-(27-x-4)=0

We add all the numbers together, and all the variables

-(-1x+23)+81=0

We get rid of parentheses

1x-23+81=0

We add all the numbers together, and all the variables

x+58=0

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

x=-58

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