x+(-12)=42

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Solution for x+(-12)=42 equation: 



x+(-12)=42

We move all terms to the left:

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

determiningTheFunctionDomain
x-42+(-12)=0

We add all the numbers together, and all the variables

x-54=0

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

x=54

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