9x+4=12x+20

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Solution for 9x+4=12x+20 equation: 



9x+4=12x+20

We move all terms to the left:

9x+4-(12x+20)=0

We get rid of parentheses

9x-12x-20+4=0

We add all the numbers together, and all the variables

-3x-16=0

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

-3x=16

x=16/-3

x=-5+1/3

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