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(36/(20-x))+(22/(20+x))=3
We move all terms to the left:
(36/(20-x))+(22/(20+x))-(3)=0
Domain of the equation: (20-x))!=0
We move all terms containing x to the left, all other terms to the right
-x)!=-20
x!=-20/1
x!=-20
x∈R
Domain of the equation: (20+x))!=0We add all the numbers together, and all the variables
We move all terms containing x to the left, all other terms to the right
x)!=-20
x!=-20/1
x!=-20
x∈R
(36/(-1x+20))+(22/(x+20))-3=0
We calculate fractions
(36x+720)/((-1x+20))*x+(-22x+440)/((-1x+20))*x-3=0
We multiply all the terms by the denominator
(36x+720)+(-22x+440)-3*((-1x+20))*x=0
We get rid of parentheses
36x-22x-3*((-1x+20))*x+720+440=0
We add all the numbers together, and all the variables
14x-3*((-1x+20))*x+1160=0
We move all terms containing x to the left, all other terms to the right
14x-3*((-1x+20))*x=-1160
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