Question

Solve sum of 1/2, multiplicative identity of a ratinal number and additive inverse of (-2/3)

Answer 1

-2/3(x) =1=> x= -3/2. where x is multiplicative inverse of -2/3 . So sum of 1/2 , -3/2 and -2/3=> 1/2 -3/2-2/3 => -1 -2/3 => -5/3 .