3(4x-5)+4(3x+6)=81

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Solution for 3(4x-5)+4(3x+6)=81 equation: 



3(4x-5)+4(3x+6)=81

We move all terms to the left:

3(4x-5)+4(3x+6)-(81)=0

We multiply parentheses

12x+12x-15+24-81=0

We add all the numbers together, and all the variables

24x-72=0

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

24x=72

x=72/24

x=3

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