Midnight0405
Midnight0405 Midnight0405
  • 06-05-2020
  • Mathematics
contestada

Solve this system of equations
{2x + y = 11
{5x - y = 10​

Respuesta :

mysticchacha
mysticchacha mysticchacha
  • 07-05-2020

Answer:

solution:  (3, 5)

Step-by-step explanation:

Solve this system of equations

{2x + y = 11

{5x - y = 10​

add the equations to use elimination method.

2x + 5x + y - y = 11 + 10;

7x = 21

x = 21/7 = 3

x = 3

y = 11 - 2x = 11 - 2*3 = 11 - 6 = 5

Answer Link

Otras preguntas

Find the coordinates of the point which divides the join of (-1,7) and (4.-3) in the ratio 2:3 ??Please don't post invalid answer ..please ​
If the DNA code is AGTCAT, what is the RNA code for the same set of bases? * ACAGUA AGACTA UCAGUA CACATU
Which of the following events below will have an equally likely chance of happening? A. If an event has a 5% chance of happening B. If an event has a 50% chance
Root5 /2 root5 -1 can be written in the form a+rootb /c where a, b and c are integers. Find the values of a, b and c when the resulting fraction is written in i
Was Christopher Columbus a hero or a villain? Instructions You will write a well-developed three paragraph essay answering the prompt below. You should have an
Which is larger, a pound or a kilogram?
Which sentences correctly use commas? Select two options. Washington was a general before becoming president, and Jackson was also a general. For centuries, Jap
What type of foul occurs when a player has made “ILLEGAL” contact with another player?
Why do you think that the soil is labeled “Europe”? pls help
tips on how to write a newspaper ​