5/y+3/4=7

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Solution for 5/y+3/4=7 equation: 


D( y )

y = 0

y = 0

y = 0

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

5/y+3/4 = 7 // - 7

5/y+3/4-7 = 0

5*y^-1 = 25/4 // : 5

y^-1 = 5/4

-1 < 0

1/(y^1) = 5/4 // * y^1

1 = 5/4*y^1 // : 5/4

4/5 = y^1

y = 4/5

y = 4/5

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