haileym368 haileym368
  • 03-06-2021
  • Mathematics
contestada

2x−15y=−10 −4x+5y=−30
Solve the following system for y:

2x15y10 4x5y30 Solve the following system for y class=

Respuesta :

hjksaghn2 hjksaghn2
  • 03-06-2021

Answer:

10

Step-by-step explanation:

multiply the first equation by 2 in order to be able to cancel out the -4z and the 2x

4x-30y=-20

-4x+5y=-30

50y+5y = -20+(-30)

55y=-50

Answer Link

Otras preguntas

A rectangular bedroom floor has an area of 100 square feet and a length of 10 feet. What is the perimeter on the floor?
What happened to all of the heat Earth had when it formed
6 cakes cost to pound £2.40 how much does 10 cakes cost?
why did british colonies in the south have the greatest number of slaves
1.If you cross two pea plants that are heterozygous for flower color (Pp), what is the percent chance that the offspring will be white? 2.Round peas (R) are dom
is the original climax community in an ecosystem more likely to be restored after a natural disturbance or a human-caused disturbance?
Make a case for the Native Americans’ right to remain on the Western Plains.
Fred completed 10 math problems this is 40% of the math problems he must do how many are left??
How does the geographic distribution of organisms support the theory of evolution?
Can all molecules diffuse through all cell membranes