3(5x+4)=81

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



3(5x+4)=81

We move all terms to the left:

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

We multiply parentheses

15x+12-81=0

We add all the numbers together, and all the variables

15x-69=0

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

15x=69

x=69/15

x=4+3/5

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