yeetimusprime2k yeetimusprime2k
  • 02-12-2020
  • Mathematics
contestada

x - 2y =0
3x + y = 0
solve using the substitution method
to solve the linear system
​

Respuesta :

Leora03
Leora03 Leora03
  • 02-12-2020

Answer:

x=0, y=0

Step-by-step explanation:

① Label the 2 given equations.

x -2y= 0 -----(1)

3x +y= 0 -----(2)

② Make x the subject of formula in equation (1).

From (1): x= 2y -----(3)

③ Substitute equation (3) into (2):

3(2y) +y= 0

Expand:

6y +y= 0

Simplify:

7y= 0

y= 0

④ Find x.

Subst. y=0 into (3):

x= 2(0)

x= 0

Answer Link

Otras preguntas

which of the following expressions does not equal: the sixth root of 81x^4y^8 a. (3xy^2)^2/3 b. (3x)^2/3y^4/3 c. (3x^2y^4)^1/3 d. cube root of 9x^2y^4
What are the characteristics of mass culture?
Hey, need some help reverent A. respectful B. respect C. reply D. to spoil
The Commissariat established by Frederick William in Prussia became A. the overseer of the army. B. an agency of civil government. C. both a military and civil
lara has a tin of peanuts cashews and pecans she will pick a second nut without looking. how many outcomes are there for her two picks?
what is force ?is it desirable or undesirable?
write an equation that is perpendicular to the line y = 2x + 13?
which type of gas is filled in lays pack and why?
find the amplitude, period, and phase shift of the function defined by: y=3-2cos(3x+pi)
What are the characteristics of mass culture?