aylinyoselin3636 aylinyoselin3636

21-05-2020
Mathematics

contestada

x+y=20 2x+2y=18 por método de reducción

Respuesta :

athulbenny2005 athulbenny2005

21-05-2020

Answer:

x-y = 20 ---(1)

2x+2y=18---(2)

=multiply equation (1) by 2+- =

=x2 = 2x-2y = 40

elimination method =

2x-2y=40

+ 2x+2y=18

-------------------

4x + 0 = 58

x=58/4 = 14.5

Hope it is correct

Answer Link

Otras preguntas

The power input into the food processor is 1150W. The power of the spinning blade is 900W. Calculate how much energy is wasted when the food processor is used f

What is 350% converted into a fraction and decimal?

Raja can read 20 pages in an hour. How many pages can he read each minute? Can you explain this to me with an answer?

Which Enlightenment philosopher introduced the idea that people enter a social contract with the purpose of maintaining order in society? Thomas Hobbes John Loc

how much does 20 thousandths equal

how do I find the perimeter of a triangle?

Why does hair take longer to dry after a shower on days with high relative humidity

Which of the following historic Indian cultures did Hernando De Soto come in contact with during his expedition? (Choose all that apply.) A. Caddo B. Quapaw C.

Hi I have a question to ask. read the sentence. then, write the action verb and label it transitive or intransitive. 1.The skate sessions cost sever dollar. 2.S

The state religion of the Han Dynasty was _____. A. Shinto B. Buddhism C. Confucianism D. Tao