100-12w=220-3w

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Solution for 100-12w=220-3w equation: 



100-12w=220-3w

We move all terms to the left:

100-12w-(220-3w)=0

We add all the numbers together, and all the variables

-12w-(-3w+220)+100=0

We get rid of parentheses

-12w+3w-220+100=0

We add all the numbers together, and all the variables

-9w-120=0

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

-9w=120

w=120/-9

w=-13+1/3

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