7=4/w-3

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Solution for 7=4/w-3 equation: 


D( w )

w = 0

w = 0

w = 0

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

7 = 4/w-3 // - 4/w-3

3-(4/w)+7 = 0

3-4*w^-1+7 = 0

-4*w^-1 = -10 // : -4

w^-1 = 5/2

-1 < 0

1/(w^1) = 5/2 // * w^1

1 = 5/2*w^1 // : 5/2

2/5 = w^1

w = 2/5

w = 2/5

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