2x+12=42-4x

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



2x+12=42-4x

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We get rid of parentheses

2x+4x-42+12=0

We add all the numbers together, and all the variables

6x-30=0

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

6x=30

x=30/6

x=5

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