Question

a rational number is such that when u multiply is by 5/2 and add 3/2 to the proces is get -7/12. what is the number.

Answer 1

let, the number isX
(X×5/2)+3/2=-7/12
or,(X×5/2)=-7/12-3/2
or, (X×5/2)=-25/2
or, X=-25/2÷5/2
or, X=-25/2×2/5
or, X=-5