25ldecke
25ldecke 25ldecke
  • 02-02-2021
  • Mathematics
contestada

Solve each system of linear equations by adding or subtracting.
4x - 5y = 7
3x + 5y = -14

Respuesta :

beautifulmind2468
beautifulmind2468 beautifulmind2468
  • 02-02-2021

Answer:

(x, y) = (-1, -11/5)

Step-by-step explanation:

Add together the two equations. We get:

(4x - 5y) + (3x + 5y) = 7 + (-14).

Simplifing we get:

7x = -7

x = -1.

So, y = -11/5

Answer Link
liyahsmith7126396
liyahsmith7126396 liyahsmith7126396
  • 02-02-2021
I think the answer is around -56
Answer Link

Otras preguntas

what are chromosomes made of? a. Gametes b. Carbohydrates c. DNA d. Tetrads
Which saying would Massachusetts Bay Colony Governor John Winthrop agree with? Select the best answer from the choices provided. Every man for himself. All’s fa
The population of a small town in 1990 was 1,200 people, and the population in 2000 was 2,700 people. Let x represent the number of years since 1990. Let y repr
Who was the winning general for the North in the Civil War? Ulysses S. Grant Robert E. Lee Abraham Lincoln Winfield Scott
Of the 1,000 students in a local college, 420 own brand X mobile phones and 580 own brand Y mobile phones. Of these students, 80 own both brands of mobile phone
type the correct answer in the box. use numerals instead of words. if necessary, use / for the fraction bar. the square of a number increased by 5 times the num
how far does a boat travel in 3 hours at 65 Miles per hour
Which process can be described as two cell divisions, genetic variation, and haploid cells?
What is the word for the definition for the person in charge of a local union?
Who was Robert Oppenheimer?