10+20=2x

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Solution for 10+20=2x equation: 



10+20=2x

We move all terms to the left:

10+20-(2x)=0

We add all the numbers together, and all the variables

-2x+30=0

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

-2x=-30

x=-30/-2

x=+15

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