sydnneeyyyyy sydnneeyyyyy
  • 22-02-2017
  • Mathematics
contestada

Use elimination to solve the system of equations. Enter your answer as an ordered pair; example: (10, -25)

2x - 5y = -5
-2x + 8y = -58

Respuesta :

texaschic101
texaschic101 texaschic101
  • 27-02-2017
2x - 5y = -5
-2x + 8y = -58
-------------------add
3y = - 63
y = -63/3
y = - 21

2x - 5y = -5
2x - 5(-21) = -5
2x + 105 = -5
2x = -5 - 105
2x = -110
x = -110/2
x = - 55

solution is (-21, -55)
Answer Link

Otras preguntas

Identify the pronoun in the sentence below. The little girl took her wagon down the street to the park. A. her B. little C. wagon
The skeletal system of animals provides structure and support. Which cell part performs similar function in the cell? A. Cell membrane B. Pili C. Golgi Appar
Jane austen’s novel pride and prejudice (1813) is what classification of fiction?
Gabrielle is 12 years older than Mikhail. The sum of their ages is 90 . What is Mikhail's age?
What volume would 4 moles of gas occupy at stp? do this without a calculator. you may need to use longhand calculations. the question is designed to tolerate re
What happens if you add additional,solid NaCl after the maximum has been reached?
MATH QUESTION!!!!!!!!!!!!!!!!!!!!!!!
How might Earths surface change as tectonic plates continue to move?
Which of these SI units would measure the volume of a substance? A. square meter B. square kilogram C. cubic meter D. cubic kilogram
The ______ began in 1871 and continues today as a leader in professionalizing police officers and police agencies.