8=-7/y-2

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Solution for 8=-7/y-2 equation: 


D( y )

y = 0

y = 0

y = 0

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

8 = -7/y-2 // + -7/y-2

2-(-7/y)+8 = 0

7*y^-1+2+8 = 0

7*y^-1 = -10 // : 7

y^-1 = -10/7

-1 < 0

1/(y^1) = -10/7 // * y^1

1 = -10/7*y^1 // : -10/7

-7/10 = y^1

y = -7/10

y = -7/10

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