x/2+6=21

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Solution for x/2+6=21 equation: 



x/2+6=21

We move all terms to the left:

x/2+6-(21)=0

We add all the numbers together, and all the variables

x/2-15=0

We multiply all the terms by the denominator


x-15*2=0

We add all the numbers together, and all the variables

x-30=0

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

x=30

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