2w+20=7w-40

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Solution for 2w+20=7w-40 equation: 



2w+20=7w-40

We move all terms to the left:

2w+20-(7w-40)=0

We get rid of parentheses

2w-7w+40+20=0

We add all the numbers together, and all the variables

-5w+60=0

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

-5w=-60

w=-60/-5

w=+12

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