-30=5x+12-2x

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Solution for -30=5x+12-2x equation: 



-30=5x+12-2x

We move all terms to the left:

-30-(5x+12-2x)=0

We add all the numbers together, and all the variables

-(3x+12)-30=0

We get rid of parentheses

-3x-12-30=0

We add all the numbers together, and all the variables

-3x-42=0

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

-3x=42

x=42/-3

x=-14

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