kaeramccarty kaeramccarty

24-04-2020
Mathematics

contestada

Solve the system of equations. -5x+2y=9. y=7x

Respuesta :

nktselepov nktselepov

24-04-2020

[tex] - 5x + 2y = 9 \\ y = 7x \\ \\ - 5x + 2 \times 7x = 9 \\ - 5x + 14x = 9 \\ 9x = 9 \\ x = 1 \\ \\ y = 7 \times 1 = 7 \\ [/tex]

Answer: (1; 7)

Answer Link

Otras preguntas

The sum of two numbers is 52. The greater number is 4 more than the smaller number. Which equation can be used to solve for the smaller number? (5 points) x − (

what was a historical period that impacted Africa the most?

Helppppppppppppp meeeeee

Evaluate the following expression: -2x - y + 2 when x = -1 and y = 0

5 types of convertible energy

is "muévase lentamente después no duele" a formal command?

Solve the following systems of equations using the substitution method. 5x+3y=1 X+2y=3 Answers (1,2) (-1,2) (1,-2) (-1,-2)

Sad songs hit different rn.... like i can't listen to them without crying.

from the story "The prisoner who wore glasses" how does Brille act as a father to the men in span one

Proper handling of blueprints includes which of the following A.Folding plans neatly after use B. Using plans to wipe off hands C. Allowing anyone to mark-up th