3/(a+1)=-5/(a-3)

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Solution for 3/(a+1)=-5/(a-3) equation: 


D( a )

a-3 = 0

a+1 = 0

a-3 = 0

a-3 = 0

a-3 = 0 // + 3

a = 3

a+1 = 0

a+1 = 0

a+1 = 0 // - 1

a = -1

a in (-oo:-1) U (-1:3) U (3:+oo)

3/(a+1) = -5/(a-3) // + -5/(a-3)

3/(a+1)-(-5/(a-3)) = 0

3/(a+1)+5*(a-3)^-1 = 0

3/(a+1)+5/(a-3) = 0

(3*(a-3))/((a+1)*(a-3))+(5*(a+1))/((a+1)*(a-3)) = 0

3*(a-3)+5*(a+1) = 0

8*a-4 = 0

(8*a-4)/((a+1)*(a-3)) = 0

(8*a-4)/((a+1)*(a-3)) = 0 // * (a+1)*(a-3)

8*a-4 = 0

8*a-4 = 0 // + 4

8*a = 4 // : 8

a = 4/8

a = 1/2

a = 1/2

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