8/a=7

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Solution for 8/a=7 equation: 


D( a )

a = 0

a = 0

a = 0

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

8/a = 7 // - 7

8/a-7 = 0

8*a^-1 = 7 // : 8

a^-1 = 7/8

-1 < 0

1/(a^1) = 7/8 // * a^1

1 = 7/8*a^1 // : 7/8

8/7 = a^1

a = 8/7

a = 8/7

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