w/2+12=21

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Solution for w/2+12=21 equation: 



w/2+12=21

We move all terms to the left:

w/2+12-(21)=0

We add all the numbers together, and all the variables

w/2-9=0

We multiply all the terms by the denominator


w-9*2=0

We add all the numbers together, and all the variables

w-18=0

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

w=18

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