GeekyElement
GeekyElement GeekyElement
  • 03-12-2017
  • Mathematics
contestada

Solve the system of linear equations by substitution. Check your solution.

4x + 2y = 8
6x - 4y = 5

Respuesta :

lesliekolleroxrkcf
lesliekolleroxrkcf lesliekolleroxrkcf
  • 03-12-2017
8x+4y=16
6x-4y=5
_________
14x. =21
x = 3/2
4*(3/2)+2y=8
6+2y=8
2y=2
y=1

4*(3/2)+2*1=8 check
6(3/2)-4*1=5 check
Answer Link

Otras preguntas

How many significant digits are there in the number 237.16?
Explain why the biodegradation of plastic might be more hazardous to the environment than the presence of plastic as marine debris.
The conquistadors of Spain were financed and outfitted by the Spanish crown. True False
The sensing component of the feedback system that senses the changes in the environment and generates nerve impulse is known as a/an ______________. receptor ef
Read the sentence and answer the question. He liked to go for a walk each evening after dinner, when dusk was beginning to set and the world had quieted after t
Simplify the following expression to its simplest form
To what extent do you agree that the UK s hould provide source of food locally rather than importing food from abroad
what is formed when mixing a weak acid and strong base
The oldest oceanic crust is a. found at the mid-ocean ridges. b. beneath the least amount of sediment. c. older than the oldest continental crust. d. less than
It's very urgent plss answer