srilovebts
srilovebts srilovebts
  • 01-02-2022
  • Mathematics
contestada

solve the system of equations using elimination

15q - 4r = 62
5q + 8r = 86

Respuesta :

SofiaPosada25 SofiaPosada25
  • 02-02-2022

Answer:

q=6 r=7

Step-by-step explanation:

2(15q-4r=62)

30q-8r=124

5q + 8r = 86

35q=210

q=6

5(6)+8r=86

30+8r=86

8r=56

r=7

Answer Link

Otras preguntas

England and Canada have what cultural characteristic in common?A. A majority of the population in both is Roman Catholic.B A majority of the population in both
During which season in the Northern Hemisphere is the earth at its closest distance to the sun? A. winter B. spring C. summer D. autumn
solve each proportion t/9=35/6
How Do You Do: 2(n-7)+3=9 And: 4h+7h-16=6
A piece of rope is 70 inches long is to be cut into 2 pieces How long will each piece be if one piece is cut four times longer than the other piece? Work please
SARAH BROTHER IS 2453 DAYS OLDER THAN HER . SARAH SISTER IS 1562 YEARS YOUNGER THAN HER. HOW MANY YEARS OLDER IS SARAH BROTHER THAN HER SISTER?
Before Ancient Greece became a democracy, the government was ruled by aristocrats. Which of the following best describes an aristocrat? a person in the working
Which event occurred as a result of the War of 1812? A. President James Madison was impeached for war crimes. B. The nation's capital was moved farther inla
Why do parents focus on the negative aspect of teens?
What are the basic units that all matter is made of?