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 do the Mexicans build to honor their deceased relatives?
Lysosomes can be compared to the recycling and garbage centers of a city. How can this comparison be justified? A; They break down their own membranes and diges
Can you explain what mitochondria are? Where are mitochondria found?
suppose a varies directly as b, and a=7 when b=2 find b when a =21
fill in the table, and then round to the given place. 3.1
A line passes through (1,1) , (-2,4) , and (6,n) . Find the value of n.
What energy transformations take place before digestion
how can you tell which slope is steeper when they are in the form of fractions
Fact and Opinion Direction : Read each statement and then circle whether it is a fact or opinion. Explain your answer. 1-George Washington was the first Presid
Explain why the graph y < X cannot lie in quadrant II