korbinwilkinsen
korbinwilkinsen korbinwilkinsen
  • 08-05-2017
  • Mathematics
contestada

please help!

What is the value of x in the solution to the following system of linear equations?

y=x-1
y=2x+1

–3
–2
–1
0

Respuesta :

Destroyer123skate
Destroyer123skate Destroyer123skate
  • 08-05-2017
I think is 3- i hope this help.
Answer Link
apologiabiology
apologiabiology apologiabiology
  • 09-05-2017
since both equal y
x-1=y=2x+1
x-1=2x+1
minus x both sides
-1=x+1
minus 1 both sides
-2=x

value of x is -2
Answer Link

Otras preguntas

Which of the statements below does not describe erosion? Erosion can benefit the environment. Erosion can be harmful to the environment. The process of erosion
Part a. Solve −np − 90 < 30 for n. Show your work. (4 points) Part b. Solve 5m − 3h = 45 for h. Show your work. (6 points) (10 points)
Your Language Skills Julia ______ in the garden. is working working is work are working
Cara has $25 to buy dry pet food and treats for the animal shelter. A pound of dog food costs $2 and treats are $1 apiece. If she buys 9 pounds of dog food, wha
k = 3e+5 work out the value of k when e=-2
What were two main factors that led to the rise of Rome?
Which of the following is considered to be part of the biosphere? a. a raindrop b. a grain of sand c. a rock d. a flower
What two numbers give a product of 36 and a sum of 15
which cell part contains cell sap, and helps to keep a plant cell firm
What is the gcf of 24,40,56