4x+12=7x+39

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Solution for 4x+12=7x+39 equation: 



4x+12=7x+39

We move all terms to the left:

4x+12-(7x+39)=0

We get rid of parentheses

4x-7x-39+12=0

We add all the numbers together, and all the variables

-3x-27=0

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

-3x=27

x=27/-3

x=-9

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