2x+20=30.

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Solution for 2x+20=30. equation: 



2x+20=30.

We move all terms to the left:

2x+20-(30.)=0

We add all the numbers together, and all the variables

2x+20-30=0

We add all the numbers together, and all the variables

2x-10=0

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

2x=10

x=10/2

x=5

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