-42-2x=12+4x

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Solution for -42-2x=12+4x equation: 



-42-2x=12+4x

We move all terms to the left:

-42-2x-(12+4x)=0

We add all the numbers together, and all the variables

-2x-(4x+12)-42=0

We get rid of parentheses

-2x-4x-12-42=0

We add all the numbers together, and all the variables

-6x-54=0

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

-6x=54

x=54/-6

x=-9

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