4/11=20/a+8

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Solution for 4/11=20/a+8 equation: 


D( a )

a = 0

a = 0

a = 0

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

4/11 = 20/a+8 // - 20/a+8

4/11-(20/a)-8 = 0

4/11-20*a^-1-8 = 0

-20*a^-1 = 84/11 // : -20

a^-1 = -21/55

-1 < 0

1/(a^1) = -21/55 // * a^1

1 = -21/55*a^1 // : -21/55

-55/21 = a^1

a = -55/21

a = -55/21

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