dinodan
dinodan dinodan
  • 03-11-2016
  • Mathematics
contestada

Solve the system using elimination

x + 2y = 1
4x + y = 11

Respuesta :

Azieq
Azieq Azieq
  • 03-11-2016
x + 2y = 1 ______×1
4x + y = 11 _____ ×2

x + 2y = 1
8x + 2y = 22

8x + 2y = 22
(-)
x + 2y = 1
_____________
7x = 21

x = 3

3 + 2y = 1
2y = 2
y = 1

i am a mathematics teacher. if anything to ask please pm me
Answer Link

Otras preguntas

S What is the conflict in the excerpt? O character versus self character versus character character versus society O character versus nature
Ted needs 2500 metres for job. What length is this in kilometres
PLEASE HELP ASAP!!WORTH 50 POINTS! WILL GIVE BRAINLIEST IF ANSWERED FAST! Look at the figure below: PS: look at attachment What is the length, in units, of segm
Marking as brainliest last attempt whos good at paragraphs if so it’s about the topic bullying add my insta for the pictures trap.zyreca .
g(x)=-2x-5 what is g(-3) a.1 b.6 c.-11 d.-6
If sleep is good for the brain why isn't aloud in school ??
Evaluate the success or failures of the competition policy of South Africa
Analyze the word problem and match the vocabulary terms to the chemicals in the word problem. 5.00 grams of solid citric acid is dissolved in 500.00 ml of water
Without simplifying, find: a) the 6th term of (2x+5)^15 b) the 4th term of (x^2+5/x)^9
The radius of a semicircle is 19.6 metres. What is the semicircle's area?