-1/w+7=-8

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Solution for -1/w+7=-8 equation: 


D( w )

w = 0

w = 0

w = 0

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

7-1/w = -8 // + 8

7-1/w+8 = 0

-1*w^-1 = -15 // : -1

w^-1 = 15

-1 < 0

1/(w^1) = 15 // * w^1

1 = 15*w^1 // : 15

1/15 = w^1

w = 1/15

w = 1/15

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