30w+220=12w+400

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Solution for 30w+220=12w+400 equation: 



30w+220=12w+400

We move all terms to the left:

30w+220-(12w+400)=0

We get rid of parentheses

30w-12w-400+220=0

We add all the numbers together, and all the variables

18w-180=0

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

18w=180

w=180/18

w=10

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