-21(-7/2)y

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Solution for -21(-7/2)y equation: 


y in (-oo:+oo)

-21 > (-7/2)*y // - (-7/2)*y

-((-7/2)*y)-21 > 0

(7/2)*y-21 > 0

7/2*y-21 > 0 // + 21

7/2*y > 21 // : 7/2

y > 21/7/2

y > 6

y in (6:+oo)

(6:+oo)

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