Thecat123 Thecat123
  • 25-05-2020
  • Mathematics
contestada

2x-4y=8
x+2y=4
How many solutions (x, y) are there to the system of equations above? explain

Respuesta :

lucasella
lucasella lucasella
  • 25-05-2020

Answer:

Exactly one solution.

Step-by-step explanation:

2x-4y=8

x+2y=4    /*2

2x-4y=8

2x+4y=8 (+)

4x=16

x=4

4+2y=4

y=0

(x;y)={(4; 0)}

Exactly one solution.

Answer Link

Otras preguntas

Trigonometry pile up. Anyone mind helping me out with this one?Trigonometry is not my strong point. Thanks!
if average of m numbers is n^2 and average of n numbers is m^2 then find average of m+n numbers
Express on simplest form in terms of i: sqrt-16
what is 65% written as a fraction in simpliest form.
Find the 50th term of this arithmetic sequence: 5, 13, 21, 29, . . .
Rene is going to the lake to visit some friends. If the lake is 60 miles away, and Rene is driving at 40 miles per hour the entire time, how long will it take
What is the dating process that doesn't exactly identifies the age of a rock?
What is 3/6 reduce to its lowest term
Express on simplest form in terms of i: sqrt-16
solve 7x²+8x+1=0 using quadratic formula