caseyy445 caseyy445

12-12-2019
Mathematics

contestada

Question 3
Solve this system by using the elimination method.
4x + 2y = 8
5x + 3y = 9

Respuesta :

Yang100 Yang100

13-12-2019

Answer:

x=3, y=-2. (3, -2).

Step-by-step explanation:

4x+2y=8

5x+3y=9

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

simplify 4x+2y=8 into 2x+y=4

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

2x+y=4

5x+3y=9

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

y=4-2x

5x+3(4-2x)=9

5x+12-6x=9

-x=9-12

-x=-3

x=3

2(3)+y=4

6+y=4

y=4-6

y=-2

Answer Link

Otras preguntas

A snail can move approximately 0.30 meters per minute.what distance can the snail cover in 15 minutes?

n(17+x)=34x−r you must solve for x

The advantage the etruscans had over the roman soldiers was

Perform the indicated operation and write the result in the form a+bi: (4/7 - i)(8/7 + 7/5i)

An excess of _____ in sports drinks may leave the small intestine undigested and cause bloating and gas in the colon.

The most common type of joint which are freely movable are called

Sasha wants to study how elderly people are affected by the loss of a spouse. She decides to collect data from people living in a local nursing home. She prepar

Suppose subway ridership in new york city rose by 12 percent after a fare decrease of 25 cents to $2.25. Using the midpoint method, an estimate of the price ela

What is the role of 2'-3'-dideoxynucleoside triphosphates in the chain terminator method of dna sequencing? To generate a series of truncated chains during dna

what is significant About Louisiana's swamps and marshes? check all that apply.