2w+9=8+21

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Solution for 2w+9=8+21 equation: 



2w+9=8+21

We move all terms to the left:

2w+9-(8+21)=0

We add all the numbers together, and all the variables

2w+9-29=0

We add all the numbers together, and all the variables

2w-20=0

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

2w=20

w=20/2

w=10

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