rydhan0008 rydhan0008
  • 18-02-2018
  • Mathematics
contestada

Find two numbers, if sum is 3 and their difference is 21

Respuesta :

musiclover10045
musiclover10045 musiclover10045
  • 18-02-2018

x+y =3

x-y =21

2x = 24

x = 24/2

x = 12



12+y = 3

y = 3-12

y = -9


numbers are -9 and 12

Answer Link
ivancui211 ivancui211
  • 06-03-2022

Answer:

-9 and 12

Step-by-step explanation:

Answer Link

Otras preguntas

How was a Small country like Vietnam able to win a war against the might USA ARMY (1954-1975)​
Consider the following scenario: Update rollback Insert Insert commit Delete Update commit Which statements would be saved to the database, assuming these are a
How do you determine the value of the rate at a particular instant of time? (INSTANTANEOUS RATE)
En el leguaje algebraico cual es el resultado de 6x
Find the volume of the triangular pyramid below. Round your answer to the nearest tenth if necessary.
A cuboid and its net are shown below. What is the area of the net? Remember to give the correct units. 3 cm 2 cm 6 cm ​
In AABC, |AB| = 10 cm and |AC = 18 cm. M is the mid-point of BC and the bisector of A meets BC at N. If |MN| = 2 cm, calculate |BC|. ​
What is the enthalpy change (ΔH) for the neutralization reaction between nitric acid and potassium hydroxide? a) 13.8 kJ/mol b) -13.8 kJ/mol c) 27.6 kJ/mol d) -
how do the street names for pcp reflect its effects
In diagram form, i need IP address configuration information for wireless routers, workstations, printers, and wireless devices.​