7004035 7004035
  • 26-05-2022
  • Mathematics
contestada

How many solutions exist for each system of equations?
x + 2y = –1
2x + 3y = 0

Respuesta :

Аноним Аноним
  • 26-05-2022

Answer:

2 solutions   x = 3 y = -2.

Step-by-step explanation:

x + 2y = –1

2x + 3y = 0

Multiply first equation by -2:

-2x - 4y = 2      Adding this to second equation:

       - y = 2

y = -2.

Plug this into first equation:

x - 4 = -1

x = 3.

Answer Link

Otras preguntas

andy mailed two packages. the first package weighed 2.48 pounds, and the second package weighed 2.6 pounds. andy said the first package will cost more to send b
what is the equivalent to d
Which of the following instruction formats lists a set of conditions and meanings? if-then table paragraph list diagram
Paul is decorating cupcakes for a birthday party he decorated 3/4 of the cupcakes per minute at this rate how many cupcakes can he decorate in 12 minutes
Select all of the following that constitute a "serving." ounce of cold cereal cup of cooked rice medium potato or fruit cup of juice ounce of cheese egg cup of
Which of the following is an accurate description of the Industrial Revolution? A. the transition from an economy based on agriculture to one based on manufa
this is an inherited characteristic that increases an organism's chance of survival
I need help getting
What is the greatest problem associated with detecting marijuana in the urine?
A 5 kilogram cat is resting on top of a bookshelf that is 3 meters high. What is the cat’s gravitational potential energy relative to the floor?