marybutler0504 marybutler0504
  • 16-10-2020
  • Mathematics
contestada

2x + y = 7
5x + y = 9
Solve the system of equations.
A.(2/3, 25/3)
B.2/3, 1773)
C.(2/3, 25/3)

Respuesta :

miraghale2 miraghale2
  • 16-10-2020

Answer:

2/3,17/3

Step-by-step explanation:

y=7-2x

now,

5x+y=9

5x+(7-2x)=9

5x+7-2x=9

3x=2

x=2/3

again;

putting value of x in eqn i

y=7-2x

=7-2x2/3

=7-4/3

17/3

Answer Link
paigejamisyn17 paigejamisyn17
  • 16-10-2020
i also got (2/3, 17/3)
Answer Link

Otras preguntas

The circle was believed to be the appropriate shape for an orbit because the earth was known to be round. True or False
A popular brand of pen is available in 4 colors and 2 writing tips. How many different choices of pens do you have with this​ brand?   There are nothing differ
How do you think people in Japan, China, and Korea were affected by the trade described here? Summarize the trade relations described in this excerpt. Do you th
An item is regularly priced at $40 . Lena bought it at a discount of 60% off the regular price. How much did Lena pay?
describe how darwins theory of evolution by natural selection can explain the spread of antibiotic resistant microorganisms which caused the return of latashas
what reasons does beveridge give for a foreign policy of intervention
2(3x-7)+6 simplify expression
What is the slope of the line passing thtough the points A(7, -6) and B(-4, -3)?
The area of a square is 729 square feet.What is the length of the side?
The radio station z107.7 broadcasts radio waves. What do the numbers 107.7 represent?