dominiquea
dominiquea dominiquea
  • 03-03-2020
  • Mathematics
contestada

Solve by using substitution. SHOW YOUR WORK. y=-2x – 1
y = 8x + 19

Respuesta :

SilvanaMartins
SilvanaMartins SilvanaMartins
  • 03-03-2020

Answer: x= -2; y = 3

Step-by-step explanation:

y=-2x – 1

y = 8x + 19   -  

replacing "y"

-2x – 1 = 8x + 19

-2x - 8x = 19 + 1

-10x = 20

x = 20/-10

x= -2

y=-2x – 1

y= -2.(-2) - 1

y= 4 - 1

y = 3

Answer Link

Otras preguntas

Can someone help please simply answer only
The perimeter of a rectangle is 86cm. Its shortest side has a length of 16cm. State the length of the longest side.
100 pts Eight stuffed animals need to be arranged in a line. There is one bear and one zebra. What is the exact probability that the bear will be first in line
Please help someone please
In Rome’s legislative branch, plebeians served in the Assemblies while the senates members were
Between 1520 and 1683, the population of the Ottoman Empire________by about______people.
From the following list, correctly identify the reason(s) that might explain a decrease in Vmax due to a suboptimal pH during an enzyme assay. a. Protonation of
What number is larger than 0.68
Write an application for the Shady Rest Hotel; the program determines the price of a room. Ask the user to choose 1 for a queen bed, 2 for a king, or 3 for a ki
help! I’m not sure if it’s c or d thanks!!