2/3y-7-9 - solution

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Solution for 2/3y-7-9 equation:

y in (-oo:+oo)

(2/3)*y-7 < -9 // + 9

(2/3)*y-7+9 < 0

2/3*y+2 < 0 // - 2

2/3*y < -2 // : 2/3

y < -2/2/3

y < -3

y in (-oo:-3)

(-oo:-3)

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