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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