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

how do you solve for r. -2r-5=18
what is a lotus plant
helppp please Which expression is equal to 3^3⋅3^5 3−23−2 3232 3838 315
WORK OUT THE MISSING AREA IN EACH PAIR OF SIMILAR SHAPES ( PLEASE HELP ME )
why is it correct to say that seawater is a mixture
Given f(x) = 10 - 16/x, find all c in the interval [2,8] that satisfy the mean value theorem
_______ is the radioisotope commonly used to map a human's circulatory system.        A. Technetium-99m   B. Carbon-14   C. Iron-59   D. Cobalt-60
Please help me !!! ( the directions for the top is to factor the following difference of squares. Check your answers by FOIL. The bottom math problems have dire
What is an equation in point slope form for the line that passes through the points (-1, 4) and (3, -4)
Cindy owns a candy store and sells individual candies as well as mixes. Her most popular mixture is the chocolate and mint collection. The ratio of chocolate to