Use the three steps to solve the problem. One number is five more than another and their sum is three less than three times the smaller. Find the numbers. List the numbers in tăng dần and separated by a comma.

Lời Giải

U se t h e t h ree s t e p s t o so l v e t h e p ro b l e m . O n e n u mb er i s f i v e m ore t han an o t h er an d t h e i r s u m i s t h ree l ess t han t h ree t im es t h e s ma ll er . F in d t h e n u mb ers . L i s t t h e n u mb ers in a sce n d in g or d er an d se p a r a t e d b y a co mma .

The numbers : 13, 8

Các bước giải pháp

Represent the numbers with

x and y

number 1 : x

number 2 : y

A.T.Q.:

x = 5 + y

x + y = 3 y - 3

x = 5 + y, x + y = 3 y - 3 : x = 13, y = 8

The numbers : 13, 8