X+2x+2x=30

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Solution for X+2x+2x=30 equation: 



X+2X+2X=30

We move all terms to the left:

X+2X+2X-(30)=0

We add all the numbers together, and all the variables

5X-30=0

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

5X=30

X=30/5

X=6

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