3x-4(3x-9)=90

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Solution for 3x-4(3x-9)=90 equation: 



3x-4(3x-9)=90

We move all terms to the left:

3x-4(3x-9)-(90)=0

We multiply parentheses

3x-12x+36-90=0

We add all the numbers together, and all the variables

-9x-54=0

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

-9x=54

x=54/-9

x=-6

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