pedromatinho9 pedromatinho9
  • 03-04-2020
  • Mathematics
contestada

Solve simultaneous equation
X-2y=1
2x-y=2

Respuesta :

Officialalehpeter
Officialalehpeter Officialalehpeter
  • 03-04-2020

Answer: x=1,y=0

Step-by-step explanation:

X-2y=1.....equation 1

2x-y=2.....equation 2

X=1+2y.......equation 3

Substitute equation 3into 2

2(1+2y)-y=2

2+4y-y=2

2+3y=2

3y=2-2

3y=0

Y=0/3

Y=0

Substitute for y=0 in equation 1

X-2y=1

X-2(0)=1

X-0=1

X=1

X=1 & Y=0

Answer Link
keliyalong82 keliyalong82
  • 03-04-2020

Answer:

x=1

y=0

Step-by-step explanation:

Answer Link

Otras preguntas

What is marketing? There are three correct answers:A. Market ResearchB. ShoppingC. Social MediaD. SEOE. Selling​
Andrea is a stock broker. She is a member of a self-regulatory organization. This organization regulates broker deals under the guidance of SEC. Which regulatin
Can someone help me I am coding.
Please answer both and help me.
Need help with this one will mark brainliest
QUESTION 3 of 10: Which of the following is a characteristic of a periodic inventory system?
how does fire start​
What was a primary difference between Judaism and the belief systems of other early cultures?
Translate the phrase into an algebraic expression. The product of 4 and y​
The equation below describes a proportional relationship between x and y. What is the constant of proportionality? y = 2/9x