x+2x+2x-30=100

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Solution for x+2x+2x-30=100 equation: 



x+2x+2x-30=100

We move all terms to the left:

x+2x+2x-30-(100)=0

We add all the numbers together, and all the variables

5x-130=0

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

5x=130

x=130/5

x=26

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