7x-4(x-3)=81

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Solution for 7x-4(x-3)=81 equation: 



7x-4(x-3)=81

We move all terms to the left:

7x-4(x-3)-(81)=0

We multiply parentheses

7x-4x+12-81=0

We add all the numbers together, and all the variables

3x-69=0

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

3x=69

x=69/3

x=23

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