4/a=10/45

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Solution for 4/a=10/45 equation: 


D( a )

a = 0

a = 0

a = 0

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

4/a = 10/45 // - 10/45

4/a-(10/45) = 0

4/a-2/9 = 0

4*a^-1 = 2/9 // : 4

a^-1 = 1/18

-1 < 0

1/(a^1) = 1/18 // * a^1

1 = 1/18*a^1 // : 1/18

18 = a^1

a = 18

a = 18

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