3x-3(4-x)=18

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Solution for 3x-3(4-x)=18 equation: 



3x-3(4-x)=18

We move all terms to the left:

3x-3(4-x)-(18)=0

We add all the numbers together, and all the variables

3x-3(-1x+4)-18=0

We multiply parentheses

3x+3x-12-18=0

We add all the numbers together, and all the variables

6x-30=0

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

6x=30

x=30/6

x=5

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