dominiquea dominiquea

03-03-2020
Mathematics

contestada

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

Respuesta :

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

After what happened on April 19 can war between the colonies and Great Britain be avoided?

By the mid-1700s, the largest city in the colonies was (A) New York (B) Boston (C) Philadelphia (D) Charleston (E) Wilmington, Delaware

Explain how a species can evolve through natural selection.

How do scientists use seismic waves to determine the interior structure of Earth?

Natalie earns $2.50 for each cd she sells and $3.50 for each dvd she sells. Natalie sold 45 dvds last year. She earned a total of $780 last year selling cds a

Does every point lie in a quadrant?

which state of matter has the least amount of energy?

you measure or observe two events to occur at the same time one nearby and one further away. Which one did you actually see first?

Why was is difficult for the Arab people to form one nation?

Find the value of x. Round to nearest hundredth if necessary.