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

Imagine a scenario in which an employee regularly shirks the organization’s established security policies in favor of convenience. What does this employee’s con
HELLLLLPPPPPP!!!!!!! 3. Name three new weapons or methods of warfare first used during World War I. What effect did the introduction of new technology have on
Adrian recently graduated from college and has started a new job in his field of study. He has very long work hours and gets little sleep. He quit exercising an
Please match the Key Word to the correct definition.
Are there limits to the rights of government
Which phrase does NOT have the same meaning as -3/5? A. Negative 3 times a number w B. Negative 3 divided by a number w C. A number w divided into negative 3 D.
Which image is the best choice for convincing high school students to plant a tree on Earth Day?
What are some types of media that effect government?
Please help if so thank you And explain
Gilles finds it difficult to consider two points of view when presented with the Heinz dilemma. He tends to overlook people's intentions and, instead, focuses o