-18=(x-1)*3

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



-18=(x-1)*3

We move all terms to the left:

-18-((x-1)*3)=0



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

(x-1)*3

We multiply parentheses

3x-3

Back to the equation:

-(3x-3)



We get rid of parentheses

-3x+3-18=0

We add all the numbers together, and all the variables

-3x-15=0

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

-3x=15

x=15/-3

x=-5

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