[SOLVED] Exercises1. The sum of both numbers of a number is 14. On having exchanged the numbers of the tens with that of the units, the number increases in 18. It finds the original number.2. The sum of two numbers is 21 and his difference is 5. ¿Which are the numbers?Please I am grateful for them to him very much indeed ...:)

a)Note that there are only two numbers that correspond complete wording of question: 59 and 68It is easy to verify that the number found number is 68:Look:6 + 8 = 14 and86 - 68 = 18b)Now you can solve one system:x + y = 21x - y = 5Add both equations:2x = 26x = 13So: y = 8

Accepted Answer

Related Question in Mathematics

What principles do the magna Carta, the petition of right, and the English bill of rights have on common

4. In this unit, you learned about eight types of biases. Which of these biases do you believe is MOST harmful to society, and why? Explain in your own words what type of bias it is, what its effects are, and use details or an example to support your reasoning.

Factor [tex]x^{2} =7x[/tex]

It takes Akira 10 minutes to make a black and white drawing and 25 minutes for a color drawing. On Saturday he made a total of 9 drawings in 2 hours. Write and solve a system of equations to determine how many drawings of each type Akira made.

Which of these is not a requirement to be a US Senator? 1. must be a natural born US citizen 2. must be a resident of the state when elected 3. must be 30 years old 4.all answers are correct

Question Is this statement true or false? The Chinese knew how to produce silk by about 2700 B.C. Responses true false