13/7=12/y

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Solution for 13/7=12/y equation: 


D( y )

y = 0

y = 0

y = 0

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

13/7 = 12/y // - 12/y

13/7-(12/y) = 0

13/7-12*y^-1 = 0

-12*y^-1 = -13/7 // : -12

y^-1 = 13/84

-1 < 0

1/(y^1) = 13/84 // * y^1

1 = 13/84*y^1 // : 13/84

84/13 = y^1

y = 84/13

y = 84/13

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