saraholivermalcolm saraholivermalcolm
  • 03-07-2020
  • Mathematics
contestada

4. The sum of two numbers is 28 and their difference is 6. Find each of the numbers

Respuesta :

gilbertazavedo72
gilbertazavedo72 gilbertazavedo72
  • 03-07-2020

Answer: 11, 17

Step-by-step explanation:

x + y = 28.........(1)

x = 28-y

x - y = 6..... . (2)

Substituting in (2)

28-y - y = 6

28 - 2y = 6

28-6 = 2y

y = 22/2 = 11

x = 28-y

x = 28 - 11 = 17

Answer Link

Otras preguntas

the brain consists of 100 billion neuron and no two neurons are the same?
what is the value of the expression 8 to the -2nd power? a. –16 b. 1/64 c. 1/16 d. 64
describe the 3 types of ecological pyramids
I have a DBA for keyboarding coming up and I am nervous. Any tips or pointers?
4)a liquid is poured into a beaker in question 3 and the mass is 146g what is the mass of the liquid in kilograms
what type of verb is the underlined word in the sentence? lindsey and her family visited the museum. a. intransitive b. transitive
what best describes a firewall
on a number line, what is the distance between -17 and 9 ? show your work a -26 b -8 c 8 d 26
identify each​ phrase: christine blew out the candles on the cake and opened her presents
Which Greek mathematician wrote the most definitive text on geometry, one that is still referred to today? A) Thales B) Pythagoras C) Euclid D) Archimedes E) Hi