chris507 chris507
  • 09-04-2018
  • Mathematics
contestada

The answer for this system

The answer for this system class=

Respuesta :

wolf1728
wolf1728 wolf1728
  • 09-04-2018
A) 2x + 3y = 21
B) -3x + y = -4
Multiply equation B) by -3
B) 9x -3y = 12  then adding it to equation A
A) 2x + 3y = 21
11x = 33
x = 3

A) 2x + 3y = 21
2*3 + 3y = 21
3y = 15
y = 5



Answer Link
AnahiDiazdl AnahiDiazdl
  • 09-04-2018
x equals 3
y equals 5
(3,5)
Answer Link

Otras preguntas

What happens to the Pevensie children because of the war?
Optimization Calculus Problem I understood that area= SA of hemisphere+ LA of Cyclinder and Volume is Volume of hemisphere + Volume of a Cyclinder Cost equa
How did the British government improve Great Britain's economy during the Great Depression?
find the average rate of change for the given function from x = 0 to x = 4
which system of grouping in figure 18-2 , a or by provides information about the evolution of the three animals
What are three things bone density affect
In what ways are a child's self-esteem affected if they are allowed to participate in "dangerous activties"?
If a Canada goose completes a 2400-mile migration in exactly 13 days and 8 hours, then what was her average speed for the whole trip in miles per hour?
Meredith believes that the penalty for crack cocaine is more punitive than the penalty for powder cocaine because crack cocaine is more commonly used among the
A certain school has a maximum capacity 300 students. Each classroom can hold 25 students. How many classrooms are there ? (a) The number of students the school