Midnight0405 Midnight0405

06-05-2020
Mathematics

contestada

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

Respuesta :

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

how long can a lightning last

What causes wind to deposit sand or other sediment

Keisha read twice as many books as Ben read. Subtracting 4 from the number of books Keisha read and dividing by 2 gives the number of books Sheldon read. Sheldo

Compare and contrast the terms scale and scale factor.

What is the equivalent decimal of 1 3/4

Absolute Location of Manitoba, Ellesnere Island, and Athabasca River?

What is 10x-3-2x=4? Please...

what issue did the missouri compromise address? how did the northern and southern attitudes towards slavery differ?

I need answer to this question

Joshua has to earn more than 92 points on the state test in order to qualify for an academic scholarship. Each question is worth 4 points, and the test has a t

good job