barnese885
barnese885 barnese885
  • 19-03-2020
  • Mathematics
contestada

Algebra help please!
Solve the system below by graphing. Write your answer as an ordered pair:
X - Y = 4
2x + 5y = 15

Respuesta :

allyslay28 allyslay28
  • 19-03-2020

Answer:

x,y =5,1

Step-by-step explanation:

Answer Link
Sweetpsycho254 Sweetpsycho254
  • 20-03-2020

Answer:

y=1

x=5

Step-by-step explanation:

use substitution

x=4+y

2(4+y)+5y=15

8+2y+5y=15

7y=7

y=1

x-1=4

x=5

Answer Link

Otras preguntas

Which phrase from the preamble expresses the intention to create peacefulness or calmness?
Divide 80 in the ratio 3:2
What are the pros and cons for a bar graphs?
I tried by writing numbers... I don't get it... Almost none of them fit in the boxes but it might not have all the words written down, can I get help?
A satellite orbiting Earth has a tangential velocity of 5000 m/s. Earth’s mass is 6 × 1024 kg and its radius is 6.4 × 106 m. The distance of the satellite from
Sally invests $4,000 in a savings account which compounds interest monthly. After 10 years, she has a balance of $4,573.23. What is the annual interest rate (as
Paula is given a litre bottle of water during her fitness assessment at the gym. She drinks 375 millilitres of the water.    How much is left?
Which is not equivalent 3/8 1/4 9/24?
How can i multiply in parentheses with mixed numbers?
what is 70 miles per hour in 0.5 hours