jolen3a
jolen3a jolen3a
  • 14-12-2021
  • Mathematics
contestada

x-5y=16 , 4x-2y=-8 solve using elimination method

Respuesta :

luisecubero77
luisecubero77 luisecubero77
  • 14-12-2021

Answer:

x = -4

y = -4

Step-by-step explanation:

L1     x - 5y = 16

L2  4x - 2y = -8

4*L1 - L2

4x - 20y = 64

-4x + 2y  =    8

-----------------------

      -18y = 72

          y = 72 / -18

          y = -4

x - 5y = 16

x = 16 + 5y

x = 16 + 5(-4)

x = 16 - 20

x = -4

Answer Link

Otras preguntas

Which of the following are examples of IT careers? Check all of the boxes that apply. office administrator computer hardware engineer systems analyst o real est
Cual es factor comun de 4x^4-12x^3+16x^2.a^2-8x^5
Convert 7/8 to 32nds
Happy Valentine's Day everyone!!!!!! all the best Isabella!
HELP!!!!!! Fully simplify. ( 7✓-1)(3 ✓-4)
Find all points on the x-axis that are 14 units from the point (4, -7). (Simplify your answer. Type an ordered pair. Use a comma to separate answers as needed.)
What are verbs? Example ​
Do you think Rizals novels deserved the ire of the Spanish colonial authorities​
Which sentence is correct?O 1. We all sang "Across the Prairie."O2. We all sang "across the prairie."O 3. We all sang "Across the prairie."O 4. We all sang "Acr
Which is an advantage of a range finder camera? A. bigger lenses B. free from parallax error C. use of various special-purpose lenses D. crisp, high-quality