7/y+8=5

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Solution for 7/y+8=5 equation: 


D( y )

y = 0

y = 0

y = 0

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

7/y+8 = 5 // - 5

7/y-5+8 = 0

7*y^-1 = -3 // : 7

y^-1 = -3/7

-1 < 0

1/(y^1) = -3/7 // * y^1

1 = -3/7*y^1 // : -3/7

-7/3 = y^1

y = -7/3

y = -7/3

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