x+3x+2(x+3)=4x+12

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Solution for x+3x+2(x+3)=4x+12 equation: 



x+3x+2(x+3)=4x+12

We move all terms to the left:

x+3x+2(x+3)-(4x+12)=0

We add all the numbers together, and all the variables

4x+2(x+3)-(4x+12)=0

We multiply parentheses

4x+2x-(4x+12)+6=0

We get rid of parentheses

4x+2x-4x-12+6=0

We add all the numbers together, and all the variables

2x-6=0

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

2x=6

x=6/2

x=3

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