3(4+x)=x-18

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



3(4+x)=x-18

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We multiply parentheses

3x-(x-18)+12=0

We get rid of parentheses

3x-x+18+12=0

We add all the numbers together, and all the variables

2x+30=0

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

2x=-30

x=-30/2

x=-15

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