-2=-7/w+5

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Solution for -2=-7/w+5 equation: 


D( w )

w = 0

w = 0

w = 0

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

-2 = 5-7/w // - 5-7/w

-(-7/w)-5-2 = 0

7*w^-1-5-2 = 0

7*w^-1 = 7 // : 7

w^-1 = 1

-1 < 0

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

1 = 1*w^1 // : 1

1 = w^1

w = 1

w = 1

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