jessicastateler32
jessicastateler32 jessicastateler32
  • 25-04-2020
  • Mathematics
contestada

3x - 9y = - 12
6x + 20y = -62​

Respuesta :

Anisatunizzati
Anisatunizzati Anisatunizzati
  • 25-04-2020

Answer:

x = -1

y = 1

Step-by-step explanation:

3x - 9y = - 12 | ×2 |

6x + 20y = -62 | ×1 |

6x - 18y = -24

6x + 20y = -62

____________--

-38y = -38

y = -38/-38

y = 1

3x - 9y = - 12

3x - 9(1) = - 12

3x - 9 = -12

3x = -12 + 9

3x = -3

x = -3/3

x = -1

Answer Link
drusillamaranga
drusillamaranga drusillamaranga
  • 25-04-2020

Answer:

x=-7

y=-1

Step-by-step explanation:

shown above in the photo

Ver imagen drusillamaranga
Answer Link

Otras preguntas

she (play) her last game in 2004
phương trình trạng thái tổng quát của khí lí tưởng diễn tả là​
if you add km/ hr with another km/ hr what will you get​
Helppppp pleaseeee anyoneeeee
At the scene of an accident on a country road, police find skid marks stretching for 50 m.Tests on the road surface show that a skidding car decelerates at 6.5
When is it Chinese New Year?
The information included in a résumé should always relate to the job objective; if it isn’t related, it shouldn’t be included.
Megan and Suzanne each have a plant. They track the growth of their plants for four weeks. Whose plant grew at a faster rate, and what was the rate? Suzanne’s a
16. Find the equation of the line that has slope m = 1/2 and passes through (4, 10). Give your answer in slope-intercept form
Qual o valor da expressão? 155÷2+4−55+1,5−6×5+6?​