sullivanlivette sullivanlivette
  • 01-02-2021
  • Mathematics
contestada

Solve the system of equations by substitution - 5x+8y= -86
y=6x-43 ​

Respuesta :

asmaNasr
asmaNasr asmaNasr
  • 01-02-2021

Answer:

(6 ,-7)

Step-by-step explanation:

[tex] - 5x + 8y = - 86 \\ y = 6x - 43 \\ - 5x = - 86 - 8y \\ x = 17.2 + 1.6y \\ y = 6(17.2 + 1.6y) - 43 \\ y = 103.2 + 9.6y - 43 \\ 8.6y = - 60.2 \\ y = - 7 \\ [/tex]

[tex]x = 17.2 + 1.6( - 7) \\ x = 17.2 - 11.2 \\ x = 6[/tex]

Answer Link

Otras preguntas

One thing required for diffusion is
Magic Company adds materials at the beginning of the process in Department A. The following information on physical units for Department A for the month of Augu
What is the complete factorization of 8x2 - 8x + 2? OA. 214x-1)2 OB. 8(x - 1)(x + 1) C. 2(2x - 1)2 D. 2(x - 2)(+2) Plz help
solve 1/16(x - 26)=4+x find x
If your organization, product, idea, and solution cannot be first-to-market or first-to-mind then be first in a category, including categories that your firm es
Solve 10y4+6y2-12y3-5y4
What type of number is 643i?
Match the following items, 1. obtaining DNA for analysis from blood or other body fluid quantification using heat or chemicals to break open the cells and free
Funsters, Inc., the largest toy company in the country, sells its most popular doll for $15. It has just learned that its leading competitor, Toysorama, is mass
1. An amateur cyclist training for a road race rode the first 20 mile portion of his workout at a constant rate. For the nest 16 mile cool down portion of his w