3*(x-4)=15

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Solution for 3*(x-4)=15 equation: 



3(x-4)=15

We move all terms to the left:

3(x-4)-(15)=0

We multiply parentheses

3x-12-15=0

We add all the numbers together, and all the variables

3x-27=0

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

3x=27

x=27/3

x=9

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