Problema Solution
If you double a number and add 28,you get 4/9 of the original number. What is the number?
Answer provided by our tutors
If you double a number and add 28,you get 4/9 of the original number. What is the number?
2x+28 =4x/9.
2x-4x/9 =-28.
(18x-4x)/9 =-28.
14x/9 =-28.
14x=-28*9.
x=(-28*9)/14
=-18.