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

What would I put for the digit valuenumber 601,099 in the ten thousand place+
using exactly four 4s and any operations write an expression to equal the number 3
arrange following numbers in increasing order 2.3,45.1,18.735,0.9862,7
what is 24 ten thousands
What is the value of 5 in 356,039,763
what is 24 ten thousands
what is the least 10 digit whole number
What motivated Europeans to begin looking to distant lands?
The 10th and the 20th term of an arithmetic sequence are 10 and 40, respectively. Find its 100th term.
Is the square root of 2 between 1.3 and 1.4? how do you know!