3(5x+-3)=81

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



3(5x+-3)=81

We move all terms to the left:

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

We add all the numbers together, and all the variables

3(5x-3)-81=0

We multiply parentheses

15x-9-81=0

We add all the numbers together, and all the variables

15x-90=0

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

15x=90

x=90/15

x=6

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