kyrarix kyrarix
  • 03-12-2018
  • Mathematics
contestada

Solve the system of linear equations. What is the value of y?



9x−6y=15

6x+21y=60

Respuesta :

goldeneagle1
goldeneagle1 goldeneagle1
  • 03-12-2018

Answer:

y = 5

y = 2.2

Step-by-step explanation:

For the first one:

9x = 9 x1 = 9

9 - 6 = 3

3y = 15

15 ÷ 3 = 5

y = 5

For the second one:

6x = 6 x 1 = 6

6 + 21 = 27

27y = 60

60 ÷ 27 ~ 2.2

y = 2.2

Answer Link

Otras preguntas

Checking daughter's homework and need help!  Miguel ordered a party try of sandwiches for a birthday party.  During the party, the quests left 2/5 of the sandwi
A boy can swim 75 feet in 12 seconds. What is his rate to the nearest mile per hour?
A pizza with 2 toppings from Maria's Pizza Place costs $11.00.A pizza with 5 toppings from Maria's Pizza Place costs $14.75.Each topping at Maria's Pizza Place
A boy can swim 75 feet in 12 seconds. What is his rate to the nearest mile per hour?
Can someone explain lesson 6.3 math boxes in everyday math regarding the missing numbers on the number lines
Place the mouse, fruit fly, duck, and gorilla in order of their relatedness to humans, from least related to most related. a. mouse - fruit fly - duck - gorilla b
What caused the rise of military government in Japan?
The sales tax rate is 8%. Estimate the tax on a jacket that costs $69.95.
Which of the following are examples of trisomy? Turner Syndrome, Down's syndrome, or Klinefelter's Syndrome
What is the average of 30, 40, and 80?