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

A bank says you can double your money in 10 years if you put $1,000 in a simple interest account. What annual interest rate does the bank pay?

find 10-3. write the subtraction fact two ways.

What effects did the Great Migration have on African Americans' political power?

The Constitution was drafted in 1787, after the American Revolution ended. What document preceded the Constitution in outlining the powers of the US government?

How do you figure out if the parabola is to the side or upward/downward?

why do capillaries surround alveoli

what is the answer to 223÷1

The Constitution was drafted in 1787, after the American Revolution ended. What document preceded the Constitution in outlining the powers of the US government?

What is the relationship between return and risk? * a. Investments with high returns are lower risk. b. Investments with low risk have lower returns. c. Inves

what is the unit rate of a 24 ounce box of cornflakes that costs $4.59