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

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



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

We move all terms to the left:

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

We get rid of parentheses

2x+x+4+2-18=0

We add all the numbers together, and all the variables

3x-12=0

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

3x=12

x=12/3

x=4

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