42=18+x+(4x-1)

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Solution for 42=18+x+(4x-1) equation: 



42=18+x+(4x-1)

We move all terms to the left:

42-(18+x+(4x-1))=0



We calculate terms in parentheses: -(18+x+(4x-1)), so:

18+x+(4x-1)

determiningTheFunctionDomain
x+(4x-1)+18

We get rid of parentheses

x+4x-1+18

We add all the numbers together, and all the variables

5x+17

Back to the equation:

-(5x+17)



We get rid of parentheses

-5x-17+42=0

We add all the numbers together, and all the variables

-5x+25=0

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

-5x=-25

x=-25/-5

x=+5

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