4(x-3)+x=2x+9

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Solution for 4(x-3)+x=2x+9 equation: 



4(x-3)+x=2x+9

We move all terms to the left:

4(x-3)+x-(2x+9)=0

We add all the numbers together, and all the variables

x+4(x-3)-(2x+9)=0

We multiply parentheses

x+4x-(2x+9)-12=0

We get rid of parentheses

x+4x-2x-9-12=0

We add all the numbers together, and all the variables

3x-21=0

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

3x=21

x=21/3

x=7

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