9/2y=-1

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Solution for 9/2y=-1 equation: 


y in (-oo:+oo)

(9/2)*y = -1 // + 1

(9/2)*y+1 = 0

9/2*y+1 = 0 // - 1

9/2*y = -1 // : 9/2

y = -1/9/2

y = -2/9

y = -2/9

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