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1/4(k-3)=1/5(k+1)
We move all terms to the left:
1/4(k-3)-(1/5(k+1))=0
Domain of the equation: 4(k-3)!=0
k∈R
Domain of the equation: 5(k+1))!=0We calculate fractions
k∈R
(5kk/(4(k-3)*5(k+1)))+(-4kk/(4(k-3)*5(k+1)))=0
We calculate terms in parentheses: +(5kk/(4(k-3)*5(k+1))), so:
5kk/(4(k-3)*5(k+1))
We multiply all the terms by the denominator
5kk
Back to the equation:
+(5kk)
We calculate terms in parentheses: +(-4kk/(4(k-3)*5(k+1))), so:We get rid of parentheses
-4kk/(4(k-3)*5(k+1))
We multiply all the terms by the denominator
-4kk
Back to the equation:
+(-4kk)
5kk-4kk=0
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