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

3x^+5x+2=0 A Write the factored form of the trinomial. B what are the roots of the equation? SOS
Mason found out that in order to be on the football team he has to be able to run 1 mile in 7 minutes. Mason computed this time, and found that he would need to
does jo hate me in the story the treasure of lemon brown
What do railroads mostly carry today? freight passengers mail
What did pancho villa look like
Who helped the British colonists in the American Revolutionary War?
What did the Romans invented that was better than the Greeks? Multiple choice
A friend claims that it will rain today with probability 30% and tomorrow with probability four times as great as today. Which of the following is correct?.
According to the last stanza of the poem, what will remain after the speaker's generation is gone? freedom the forest the urn knowledge
Jessica buys candy that costs $8 per pound. She will buy more than 7 pounds of candy. What are the possible amounts she will spend on candy?​