9(3x-8)-3(4x+21)=0

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Solution for 9(3x-8)-3(4x+21)=0 equation: 



9(3x-8)-3(4x+21)=0

We multiply parentheses

27x-12x-72-63=0

We add all the numbers together, and all the variables

15x-135=0

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

15x=135

x=135/15

x=9

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