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2/7w=12
We move all terms to the left:
2/7w-(12)=0
Domain of the equation: 7w!=0We multiply all the terms by the denominator
w!=0/7
w!=0
w∈R
-12*7w+2=0
Wy multiply elements
-84w+2=0
We move all terms containing w to the left, all other terms to the right
-84w=-2
w=-2/-84
w=1/42
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