x+2x+(x+4)=28

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Solution for x+2x+(x+4)=28 equation: 



x+2x+(x+4)=28

We move all terms to the left:

x+2x+(x+4)-(28)=0

We add all the numbers together, and all the variables

3x+(x+4)-28=0

We get rid of parentheses

3x+x+4-28=0

We add all the numbers together, and all the variables

4x-24=0

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

4x=24

x=24/4

x=6

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