Question

a rational number is such that when you multiply it by 5/2 and add 2/3 to the product you get -7/12.What is tthe number?

Answer 1

let the number be x
5/2*x + 2/3 = -7/12
5/2*x -7/12 - 2/3
5/2*x = (-7-8)/12
5/2*x = -15/12
x = -15/12 * 2/5
x = -3/6
x = -1/2