3(x-5)-4(3x-5)=9

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Solution for 3(x-5)-4(3x-5)=9 equation: 



3(x-5)-4(3x-5)=9

We move all terms to the left:

3(x-5)-4(3x-5)-(9)=0

We multiply parentheses

3x-12x-15+20-9=0

We add all the numbers together, and all the variables

-9x-4=0

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

-9x=4

x=4/-9

x=-4/9

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