2x-21=2

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Solution for 2x-21=2 equation: 



2x-21=2

We move all terms to the left:

2x-21-(2)=0

We add all the numbers together, and all the variables

2x-23=0

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

2x=23

x=23/2

x=11+1/2

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