2/4y-9=-7

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Solution for 2/4y-9=-7 equation: 


y in (-oo:+oo)

(2/4)*y-9 = -7 // + 7

(2/4)*y-9+7 = 0

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

1/2*y = 2 // : 1/2

y = 2/1/2

y = 4

y = 4

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