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

12 is % of 32. Is it decimals
Can y’all help me on 4 thank you
A plane takes 8 hours less to travel 960km than a car. If a plane travels 3 times as fast as the car, what is the speed of the plane and the car
PLZ HELP!What is the rule for the function that is graphed? y = 2 x + 2 y = 3 x + 2 y = 2 x y = x – 2
Only number 6 & 7 please
difference between mixed income and undistributed profit
Can someone please answer my question please answer it correctly please show work please I need please help
List the various effects of early Spanish exploration
How is chemosynthesis different from photosynthesis?
Who was Jack the Ripper?