3(3+4x)=81

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



3(3+4x)=81

We move all terms to the left:

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

We add all the numbers together, and all the variables

3(4x+3)-81=0

We multiply parentheses

12x+9-81=0

We add all the numbers together, and all the variables

12x-72=0

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

12x=72

x=72/12

x=6

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