81=3x+78

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Solution for 81=3x+78 equation: 



81=3x+78

We move all terms to the left:

81-(3x+78)=0

We get rid of parentheses

-3x-78+81=0

We add all the numbers together, and all the variables

-3x+3=0

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

-3x=-3

x=-3/-3

x=1

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