(3/(w+8))+(5/(7w))

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Solution for (3/(w+8))+(5/(7w)) equation: 


D( w )

7*w = 0

w+8 = 0

7*w = 0

7*w = 0

7*w = 0 // : 7

w = 0

w+8 = 0

w+8 = 0

w+8 = 0 // - 8

w = -8

w in (-oo:-8) U (-8:0) U (0:+oo)

3/(w+8)+5/(7*w) = 0

(3*7*w)/(7*w*(w+8))+(5*(w+8))/(7*w*(w+8)) = 0

5*(w+8)+3*7*w = 0

26*w+40 = 0

(26*w+40)/(7*w*(w+8)) = 0

(26*w+40)/(7*w*(w+8)) = 0 // * 7*w*(w+8)

26*w+40 = 0

26*w+40 = 0 // - 40

26*w = -40 // : 26

w = -40/26

w = -20/13

w = -20/13

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