2w+21=5w+15

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Solution for 2w+21=5w+15 equation: 



2w+21=5w+15

We move all terms to the left:

2w+21-(5w+15)=0

We get rid of parentheses

2w-5w-15+21=0

We add all the numbers together, and all the variables

-3w+6=0

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

-3w=-6

w=-6/-3

w=+2

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