7/8=28/y

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Solution for 7/8=28/y equation: 


D( y )

y = 0

y = 0

y = 0

y in (-oo:0) U (0:+oo)

7/8 = 28/y // - 28/y

7/8-(28/y) = 0

7/8-28*y^-1 = 0

-28*y^-1 = -7/8 // : -28

y^-1 = 1/32

-1 < 0

1/(y^1) = 1/32 // * y^1

1 = 1/32*y^1 // : 1/32

32 = y^1

y = 32

y = 32

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