3(x-4)-x=20

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Solution for 3(x-4)-x=20 equation: 



3(x-4)-x=20

We move all terms to the left:

3(x-4)-x-(20)=0

We add all the numbers together, and all the variables

-1x+3(x-4)-20=0

We multiply parentheses

-1x+3x-12-20=0

We add all the numbers together, and all the variables

2x-32=0

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

2x=32

x=32/2

x=16

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