9386712 9386712
  • 23-02-2021
  • Mathematics
contestada

solve this system using elimination. 3x - 4y = -5, -10x + 4 = 12

Respuesta :

Lucker
Lucker Lucker
  • 23-02-2021

Answer:

x = -4/5, y = 13/20

Step-by-step explanation:

-10x + 4 = 12

-10x = 8

x = -4/5

3x - 4y = -5

3(-4/5) - 4y = -5

-12/5 - 4y = -5

-4y = -13/5

y = 13/20

Double check:

3x - 4y = -5

3(-4/5) - 4(13/20) = -5

-12/5 - 13 = -5 (true)

Answer Link

Otras preguntas

The following 3-D object is composed of identical cubes. The volume of the 3-D object is 56cm cubed. The surface area of the 3-D object is a) 30cm squaredb) 60c
13. Sound waves can't travel through A. a solid. B. a liquid. C. an elastic material. D. a vacuum.
did dinosaurs really have brains in their tails?
You want to determine if one peak is steeper than another peak, based on a topographic map. What would you see on the steeper peak?
You want to determine if one peak is steeper than another peak, based on a topographic map. What would you see on the steeper peak?
Help me please jem boy wants to make his 8-meter square pool into a rectangular one by increasing its length by 2m and decreasing its width by 2m .jem boy asked
what is a cardinal? please help
what is quicksand? how does it work?
which one of the following sentence contains a predicate adjective
Short Essay On Rainy Season In India