x+2x+7=30

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Solution for x+2x+7=30 equation: 



x+2x+7=30

We move all terms to the left:

x+2x+7-(30)=0

We add all the numbers together, and all the variables

3x-23=0

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

3x=23

x=23/3

x=7+2/3

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