81=3(1+4x)+4

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Solution for 81=3(1+4x)+4 equation: 



81=3(1+4x)+4

We move all terms to the left:

81-(3(1+4x)+4)=0

We add all the numbers together, and all the variables

-(3(4x+1)+4)+81=0



We calculate terms in parentheses: -(3(4x+1)+4), so:

3(4x+1)+4

We multiply parentheses

12x+3+4

We add all the numbers together, and all the variables

12x+7

Back to the equation:

-(12x+7)



We get rid of parentheses

-12x-7+81=0

We add all the numbers together, and all the variables

-12x+74=0

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

-12x=-74

x=-74/-12

x=6+1/6

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