21/2-3y=-1

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Solution for 21/2-3y=-1 equation: 


y in (-oo:+oo)

21/2-(3*y) = -1 // + 1

21/2-(3*y)+1 = 0

21/2-3*y+1 = 0

23/2-3*y = 0 // - 23/2

-3*y = -23/2 // : -3

y = -23/2/(-3)

y = 23/6

y = 23/6

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