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

Pyramid A has a volume of 60 mm3 and Pyramid B has a volume of 937.5 mm3. What is the ratio of their heights?
How do objectives make it more likely that you will reach your goals? A. Objectives help guide your career choices. O B. Objectives are the best way to assess y
2 QUESTIONS PLS HELP ASAP! Which is NOT a characteristic of Modernism? (A) search for perfection (B) realistic images (C) escape from reality (D) the exotic Whi
What was Ada Lovelace's contribution to computer science?
What country is Georgia located in
find the dot product of the pair of vectors and determine whether they are normal. (4,-3) and (-3,-4)​
!!100!! POINTS PLEASE HELP!!
Multiply and simplify: (1 + 5i)(3 - 8i)
what dose brainly do?
A right rectangular pyramid is sliced vertically (down) by a plane passing through the vertex of the pyramid. what is the shape of the cross-section?