3/-a+1=6/a+4

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Solution for 3/-a+1=6/a+4 equation: 


D( a )

-a = 0

a = 0

-a = 0

a = 0

a = 0

a = 0

a in (-oo:0) U (0:+oo)

3/(-a)+1 = 6/a+4 // - 6/a+4

3/(-a)-(6/a)-4+1 = 0

3/(-a)-6*a^-1-4+1 = 0

-9*a^-1 = 3 // : -9

a^-1 = -1/3

-1 < 0

1/(a^1) = -1/3 // * a^1

1 = -1/3*a^1 // : -1/3

-3 = a^1

a = -3

a = -3

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