42=4-2(x)

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Solution for 42=4-2(x) equation: 



42=4-2(x)

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We get rid of parentheses

2x-4+42=0

We add all the numbers together, and all the variables

2x+38=0

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

2x=-38

x=-38/2

x=-19

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