daneandrhondaluther daneandrhondaluther
  • 13-03-2020
  • Mathematics
contestada

The sum of two numbers is 18 and the difference is 8

Respuesta :

igoroleshko156
igoroleshko156 igoroleshko156
  • 13-03-2020

Answer:

x = 13 and y = 5

Step-by-step explanation:

x + y = 18

x - y = 8

Step 1:  Find y

x = 18 - y

(18 - y) - y = 8

18 - y - y - 18 = 8 - 18

-2y / -2 = -10 / -2

y = 5

Step 2:  Plug into x + y = 18 to get x

x + 5 - 5 = 18 - 5

x = 13

Answer:  x = 13 and y = 5

Answer Link

Otras preguntas

compare 40 oz and 4 lb
Do birds with long, sharp beaks eat fish?
__________ is written in a form of Persian script and read from right to left. a. Urdu c. Nepali b. Hindi d. Pakistani
are your lungs more like an empty paper bag or like a sponge
55% of the students at west side middle school walk to school. what fraction of the students walk to school?
Vitamin C, also known as ascorbic acid, is water soluble and cannot be produced by the human body. Each day, a person’s diet should include a source of vitamin
what is a coral distribution
which animal could a Siamese cat mate with to produce offspring
what is the order pair for the orgin
Which of these properties is the best one to use for identification of an element? 1.the number of neutrons in the atomic nucleus 2. the number of protons in th