2x+4/2=21

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Solution for 2x+4/2=21 equation: 



2x+4/2=21

We move all terms to the left:

2x+4/2-(21)=0

determiningTheFunctionDomain
2x-21+4/2=0

We add all the numbers together, and all the variables

2x-19=0

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

2x=19

x=19/2

x=9+1/2

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