milagarza0328 milagarza0328
  • 12-11-2020
  • Mathematics
contestada

How many solutions does the system have?

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

Respuesta :

Learntionary
Learntionary Learntionary
  • 12-11-2020

Answer:

x = 3/2, y = -1

Step-by-step explanation:

4x - 2y = 8 --(1)

2x + y = 2

y = 2 - 2x --(2)

sub (2) into (1):

4x - 2(2 -2x) = 8

4x -4 + 4x = 8

8x = 12

x = 3/2

when x = 3/2, y = -1

Answer Link

Otras preguntas

Why is sunlight the source for all food energy in an ecosystem?
Which emperor's commissions reflect the influence of Classical Greek art? Augustus Diocletian Marcus Aurelius Trajan
why are wind hydroelectic and geothermal energy resources not suitable for providing energy worldwide?
If there are 20 different amino acids, how do they know how to line up? Which order should they be in? Which molecule helps them do this?A. Messanger RNA(mRNA)B
Use the following passage to answer the question. (1) Water is something most of us take for granted. (2) If we need a cold drink or want to take a shower, wate
What does the sarbanes-oxley act of 2002 "require the ceo and cfo to do"?
The ___ is fluid component of blood?
Malcolm bought 6 bowls for $13.20. What is the unit rate
Who is responsible for spreading fear, the media or the audience who receives the messaging?
(a) find the critical numbers of the function f(x) = x6(x − 3)5.