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

You are standing at the edge of a cliff which is 40 m tall. You throw an apple up with a speed of 15 m/s, and it accelerates downward at 9.81 m/s^2. How long do
evaluate this equation (-5)^5/(-5)^-6
A barbar wants to set up a salon in a room measuring length of 3m by 3m .He has a simple wooden chair,3 large mirrors and one bulb . a) using the knowledge of s
pls pls help whoever gets it right gets a crown
According to the Law of Conservation of Matter, if I have an Oreo cookie that weighs 20 grams and I crush it into crumbs for a recipe, how much do the crumbs we
PROJECT: SUMMARIZE IT! The ability to summarize information is a vital component of understanding the information you read in your coursework. To summarize info
Convert the population of Texas to Scientific notation. There are 28,000,000 people living in Texas.
solve the question x - 2 = long division 4x
600+39 what does it add up to help
Roxy's new employer pays employees bimonthly, which is twice a month. She'll earn $30 per hour with the new company. She plans to continue making extra money by