jeremiahortega75 jeremiahortega75

21-05-2020
Mathematics

contestada

Solve for x and y
3x + 2y = 16
7x + y = 19

Respuesta :

sqdancefan sqdancefan

23-05-2020

Answer:

(x, y) = (2, 5)

Step-by-step explanation:

Double the second equation and subtract the first:

2(7x +y) -(3x +2y) = 2(19) -(16)

11x = 22

x = 2

In the second equation, ...

7(2) +y = 19

y = 19 -14 = 5

The solution is (x, y) = (2, 5).

Ver imagen sqdancefan

Answer Link

Otras preguntas

What's does 9/13 9/13 equal?

Describe how world war i and the u.s. failure to join the league of nations sowed the seeds of future twentieth-century wars.

According to the lecture, women tend to communicate in order to _____________. a. entertain b. pass judgement on others c. develop understanding d. learn new in

What will the temperature be in degrees Fahrenheit when it is 80° Celsius outside?

The measures of the angles of a triangle are in the extended ratio 4 : 5 : 6. What is the measure of the smallest angle?

Chemical engineers who specialize in negotiating for large purchases and instructing customers in use of the products are: A.corporate managers B.legal services

Evaluate g (3) if g (x) = 2x 1. 1

On tamaras first day of math class her teacher asked the students to shake hands with each other there are 25 students in math class r

How did roman law protect those accused of crimes?

How does the matter and energy in a system naturally change over time? A. It increases in energy. B. It becomes more spread out. C. It becomes more