42=3(x-3)

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Solution for 42=3(x-3) equation: 



42=3(x-3)

We move all terms to the left:

42-(3(x-3))=0



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

3(x-3)

We multiply parentheses

3x-9

Back to the equation:

-(3x-9)



We get rid of parentheses

-3x+9+42=0

We add all the numbers together, and all the variables

-3x+51=0

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

-3x=-51

x=-51/-3

x=+17

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