raut86719
raut86719 raut86719
  • 04-03-2021
  • Mathematics
contestada

finds the value of x and Y.
2x+3y=5
X-2y=-1​

Respuesta :

ncalalwazi89
ncalalwazi89 ncalalwazi89
  • 04-03-2021

Answer:

x=1

y=1

Step-by-step explanation:

2x+3y=5.........eq1

x-2y=-1........eq2

therefore: x=-1+2y

Subt. eq 3 into eq2

2x+3y=5

2(-1+2y) +3y=5

-2+4y+3y=5

7y=5+2

7y/7=7/7

y=1

therefore: Subt. y=1 into eq2

x-2y=-1

x-2(1)=-1

x-2=-1

x=-1+2

x=1

Answer Link

Otras preguntas

An example of literal description in the poem is (1 point) A.)The sun brightening valleys. B.)An audience being moved by a speech. C.)the words of the presid
At the time of the louisiana purchase, which country owned California.
The nurse is providing care during the immediate postoperative period for a client that had a radical neck dissection. The best method to assess for stridor is:
Poland’s exports increased significantly after the country joined the _____. Catholic Church Soviet Union Warsaw Pact European Union
Does anyone know the amount
A purebred plant that has yellow flowers is crossed with a purebred plant that has white flowers. All the offspring have yellow flowers. Which conclusion about
Why might polar bears become extinct a.They do not have any predators b.they may drown when the glaciers melt c.their thick fur is not suited for a warming cli
What happens to relative humidity of an unsaturated parcel of air when the temperature decreases?
ax+z=aw-y solve for a
Which word shares a connotative meaning with the word cheap as it is used in this sentence? "Ashley thought her parents were being cheap when they bought generi