3(x+4)+x=2x+18

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Solution for 3(x+4)+x=2x+18 equation: 



3(x+4)+x=2x+18

We move all terms to the left:

3(x+4)+x-(2x+18)=0

We add all the numbers together, and all the variables

x+3(x+4)-(2x+18)=0

We multiply parentheses

x+3x-(2x+18)+12=0

We get rid of parentheses

x+3x-2x-18+12=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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