Ywitn Ywitn
  • 17-03-2021
  • Mathematics
contestada

Solve y =-2x
y = 3x + 5
by using substitution method

Respuesta :

Аноним Аноним
  • 17-03-2021

Answer:

y = -2x

y = 3x + 5

<=> 3x + 5 = -2x

y = -2x

<=> 5x = -5

y = -2x

<=> x = -1

y = -2x

<=> x = -1

y = (-2)(-1) = 2

so (x; y) = (-1; 2)

Answer Link

Otras preguntas

I need a background information for this report it's due tomorrow and I'm having difficulty with it please help
To move towards a personal vision, what smaller steps should you take?
How did geography affect life in ancient china
At a construction site, the site manager notices that a crane takes 20 seconds to lift a 500kg steel beam up to a height of 15 meters. From this information, h
A hole left after a collapse is called what
A glacier moves 152 feet a year. How many inches a day does it move? Round your answer to the nearest whole number.
necessary conditions for nationalism to exist
The following octagon is formed by removing four congruent triangles from a rectangle. What is the area of the rectangle?
When an electron in an atom jumps from a high-energy orbital to a lower-energy one, what happens??
A theory is an explanation based on observations and data. True False