-7=-2/w-8

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


D( w )

w = 0

w = 0

w = 0

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

-7 = -2/w-8 // + -2/w-8

8-(-2/w)-7 = 0

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

2*w^-1 = -1 // : 2

w^-1 = -1/2

-1 < 0

1/(w^1) = -1/2 // * w^1

1 = -1/2*w^1 // : -1/2

-2 = w^1

w = -2

w = -2

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