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

How was the Scientific Revolution a threat to religious authorities
what is the slope of the line that passes through these two points (1,2) (2,8) simplify
What country has the largest oil production? a. iraq c. kuwait b. iran d. saudi arabia
Who was the snake in eden and how it get in?
Use a table of function values to approximate an x-value in which the exponential function exceeds the polynomial function. In your final answer, include the ta
The holy roman emperor was his patron
You join a bowling team. The first week, you bowl three games to determine your average. Your scores are 138, 128, and 151. What is your mean score?
The spread of Buddhist ideas and customs to china and Southeast Asia was the result of
What function is the gerund serving in the sentence? Swimming was my sisters best sport in high school, even though she was also really good at tennis. a. verb
Danny charges $35 for 3hrs of swimming lessons. Martin charges $24 for 2hrs is swimming lessons. Who offers a better deal?