2x+x+3x=28

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Solution for 2x+x+3x=28 equation: 



2x+x+3x=28

We move all terms to the left:

2x+x+3x-(28)=0

We add all the numbers together, and all the variables

6x-28=0

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

6x=28

x=28/6

x=4+2/3

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