raut86719
raut86719 raut86719
  • 04-03-2021
  • Mathematics
contestada

finds the value of x and Y.
2x+3y=5
X-2y=-1​

Respuesta :

ncalalwazi89
ncalalwazi89 ncalalwazi89
  • 04-03-2021

Answer:

x=1

y=1

Step-by-step explanation:

2x+3y=5.........eq1

x-2y=-1........eq2

therefore: x=-1+2y

Subt. eq 3 into eq2

2x+3y=5

2(-1+2y) +3y=5

-2+4y+3y=5

7y=5+2

7y/7=7/7

y=1

therefore: Subt. y=1 into eq2

x-2y=-1

x-2(1)=-1

x-2=-1

x=-1+2

x=1

Answer Link

Otras preguntas

Jerome is writing a number in scientific notation. The number is greater than one million and less than ten million. What will be the exponent in the number Jer
5 letter word foramount of work done per second
Why do you think it is so difficult for some people to accept the idea of continental drift?
solve the following quadratic equation (x+3)2+25=0
What are the three oceans that surround asia
what is a transfer of food goods and disease between the old new worlds columbian
Debbie cut a cord into sixths . She used five of the to make necklaces . She used equal lengths of the remaining cord for each of four bracelets. What fraction
There are 34 adults and children13 on tour how much money will the group save by visiting the main deck of the observation tower instead of the top deck explain
Jerome is writing a number in scientific notation. The number is greater than one million and less than ten million. What will be the exponent in the number Jer
Which most accurately describes the "mandate of heaven"? The Zhou Dynasty’s justification for its leadership A new religion The philosophy of Confucius A holy b