3w+6=21

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Solution for 3w+6=21 equation: 



3w+6=21

We move all terms to the left:

3w+6-(21)=0

We add all the numbers together, and all the variables

3w-15=0

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

3w=15

w=15/3

w=5

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