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w+(2w+6)=228
We move all terms to the left:
w+(2w+6)-(228)=0
We get rid of parentheses
w+2w+6-228=0
We add all the numbers together, and all the variables
3w-222=0
We move all terms containing w to the left, all other terms to the right
3w=222
w=222/3
w=74
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