3a/-9

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Solution for 3a/-9 equation: 


a in (-oo:+oo)

3 > a/(-9) // - a/(-9)

3-(a/(-9)) > 0

1/9*a+3 > 0 // - 3

1/9*a > -3 // : 1/9

a > -3/1/9

a > -27

a in (-27:+oo)

(-27:+oo)

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