42=6(x+20)

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Solution for 42=6(x+20) equation: 



42=6(x+20)

We move all terms to the left:

42-(6(x+20))=0



We calculate terms in parentheses: -(6(x+20)), so:

6(x+20)

We multiply parentheses

6x+120

Back to the equation:

-(6x+120)



We get rid of parentheses

-6x-120+42=0

We add all the numbers together, and all the variables

-6x-78=0

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

-6x=78

x=78/-6

x=-13

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