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-28=-4/7w
We move all terms to the left:
-28-(-4/7w)=0
Domain of the equation: 7w)!=0We get rid of parentheses
w!=0/1
w!=0
w∈R
4/7w-28=0
We multiply all the terms by the denominator
-28*7w+4=0
Wy multiply elements
-196w+4=0
We move all terms containing w to the left, all other terms to the right
-196w=-4
w=-4/-196
w=1/49
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