amaqueda
amaqueda amaqueda
  • 02-04-2022
  • Mathematics
contestada

Find the solution of the system of equations.
-
5x – 4y = -9
10x– 7y = -22

Respuesta :

zhiwenc12
zhiwenc12 zhiwenc12
  • 02-04-2022

Answer:

x = -5

y = -4

Step-by-step explanation:

5x - 4y = -9

10x - 8y = -18

10x - 7y = -22

-y = 4

y = -4

Substitue y into any equation

5x - (-16) = -9

5x = -25

x = -5

Answer Link

Otras preguntas

which of the following expressions does not equal: the sixth root of 81x^4y^8 a. (3xy^2)^2/3 b. (3x)^2/3y^4/3 c. (3x^2y^4)^1/3 d. cube root of 9x^2y^4
Write a complete reaction of succinic acid and acetic anhydride
What is the probability of someone correctly guessing your Social Security number? (Assume all digits 0-9 are available for use)a
let g(x)=x-3 and h(x)=x^2+6 find (h o g) (1)
I just need the equation on how to do it. I'm so lost :'( help please!!!!!!
what is force ?is it desirable or undesirable?
find the amplitude, period, and phase shift of the function defined by: y=3-2cos(3x+pi)
Tennis balls with a diameter of 2.5 in. are packaged 3 to a can. The can is a cylinder. Find the volume of the space in the can that is not occupied by tennis b
The Habsburg Empire did all of the following EXCEPT A. take control of Hungary, Croatia, and Slovonia. B. lose their Holy Roman Empire in Germany. C. remain a c
can u tell me how to solve this promblem 4/7 plus 3/7