atoriehansell20
atoriehansell20 atoriehansell20
  • 03-02-2018
  • Mathematics
contestada

3x+3y=27
3x-3y= -11
using elimination

Respuesta :

texaschic101
texaschic101 texaschic101
  • 03-02-2018
3x + 3y = 27
3x - 3y = -11
------------------add
6x = 16
x = 16/6 which reduces to 8/3

3x + 3y = 27
3(8/3) + 3y = 27
8 + 3y = 27
3y = 27 - 8
3y = 19
y = 19/3

solution is (8/3, 19/3)
Answer Link

Otras preguntas

Find the missing numbers... (2cubed)cubed =2?
How many significant figures does 2.4 have?
Which of his own pieces of writing does poe use to explain his philosophy of composition?
what is the best plan for creating safe exercise goals -keep them fun -keep them low intensity -keep them realistic -keep them high intensity
Line AB goes through the points A (0, –4) and B (6, 2). Which equation represents line AB? a. y-4=3x b. y-2=3(x-6) c. y+4=x d. y+6=x-2
5am to 3:30pm is how many hours
Find the quotient (5x - 35y + 50) ÷ 5
During the 1920s, more people began to aquire shares of stock using credit. cash. installments. speculation.
The legs of a right triangle are 10 centimeters and 24 centimeters long. What is the length of the hypotenuse?
five-gram samples of copper and iron are at room temperature. both samples receive equal amounts of energy due to heat flow. the specific heat capacity of coppe