2/w+4=-7

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Solution for 2/w+4=-7 equation: 


D( w )

w = 0

w = 0

w = 0

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

2/w+4 = -7 // + 7

2/w+4+7 = 0

2*w^-1 = -11 // : 2

w^-1 = -11/2

-1 < 0

1/(w^1) = -11/2 // * w^1

1 = -11/2*w^1 // : -11/2

-2/11 = w^1

w = -2/11

w = -2/11

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