3(x+8x)=12

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Solution for 3(x+8x)=12 equation: 



3(x+8x)=12

We move all terms to the left:

3(x+8x)-(12)=0

We add all the numbers together, and all the variables

3(+9x)-12=0

We multiply parentheses

27x-12=0

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

27x=12

x=12/27

x=4/9

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