x-18=2(1+3x)

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Solution for x-18=2(1+3x) equation: 



x-18=2(1+3x)

We move all terms to the left:

x-18-(2(1+3x))=0

We add all the numbers together, and all the variables

x-(2(3x+1))-18=0



We calculate terms in parentheses: -(2(3x+1)), so:

2(3x+1)

We multiply parentheses

6x+2

Back to the equation:

-(6x+2)



We get rid of parentheses

x-6x-2-18=0

We add all the numbers together, and all the variables

-5x-20=0

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

-5x=20

x=20/-5

x=-4

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