20=-1/2w+9

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Solution for 20=-1/2w+9 equation:



20=-1/2w+9
We move all terms to the left:
20-(-1/2w+9)=0
Domain of the equation: 2w+9)!=0
w∈R
We get rid of parentheses
1/2w-9+20=0
We multiply all the terms by the denominator
-9*2w+20*2w+1=0
Wy multiply elements
-18w+40w+1=0
We add all the numbers together, and all the variables
22w+1=0
We move all terms containing w to the left, all other terms to the right
22w=-1
w=-1/22
w=-1/22

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