4x+12=6x+42

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Solution for 4x+12=6x+42 equation: 



4x+12=6x+42

We move all terms to the left:

4x+12-(6x+42)=0

We get rid of parentheses

4x-6x-42+12=0

We add all the numbers together, and all the variables

-2x-30=0

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

-2x=30

x=30/-2

x=-15

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