hunterbeard hunterbeard

16-12-2019
Mathematics

contestada

Use the elimination method to solve the system of equations. Choose the
correct ordered pair.
5x - 2y = 9
3x + 4y = -5

Respuesta :

Yang100 Yang100

18-12-2019

Answer:

x=1,y=-2. (1, -2).

Step-by-step explanation:

5x-2y=9

3x+4y=-5

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

2(5x-2y)=2(9)

3x+4y=-5

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

10x-4y=18

3x+4y=-5

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

13x=13

x=13/13

x=1

5(1)-2y=9

5-2y=9

2y=5-9

2y=-4

y=-4/2

y=-2

Answer Link

Otras preguntas

140 fluid ounces increased by 45%

Which is an advantage that single-celled organisms have compared to multicellular organisms? a. They can reproduce very quickly by binary fission. b. When one

Which type of figurative language is used in the following line from John F. Kennedy's inaugural address to the nation? "The torch has been passed to a new gene

who were considered citizens in ancient Athens

Ab airplane takes off 12.5 miles south of a city and flies due north at a constant speed of 170 miles per hour. what is the planes position relative to the city

longest lake in the united states that flows north to south empties into the dulf of mexico

How can you solve an equation with the variable on both sides

Pleas help me! As a patriot soldier, Daniel has an advantage over British troops. What is his advantage? A. He speaks the same language as the American Indians.

In a shipment of 400 parts 14 found to be defective how many defective parts should be expected in a shipment of 1000

Which activity would be within the field of biology?