x+18=4x+42

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Solution for x+18=4x+42 equation: 



x+18=4x+42

We move all terms to the left:

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

We get rid of parentheses

x-4x-42+18=0

We add all the numbers together, and all the variables

-3x-24=0

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

-3x=24

x=24/-3

x=-8

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