20-9w=-15-2w

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Solution for 20-9w=-15-2w equation: 



20-9w=-15-2w

We move all terms to the left:

20-9w-(-15-2w)=0

We add all the numbers together, and all the variables

-9w-(-2w-15)+20=0

We get rid of parentheses

-9w+2w+15+20=0

We add all the numbers together, and all the variables

-7w+35=0

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

-7w=-35

w=-35/-7

w=+5

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