ghazalbustami ghazalbustami
  • 03-10-2020
  • Mathematics
contestada


x + 5y = 28
- x - 2y = -13

Respuesta :

us8765594229
us8765594229 us8765594229
  • 03-10-2020

Answer:

x=3

y=5

Step-by-step explanation:

x+5y=28 (i)

-x-2y=-13. (ii)

add equation 2 from equation 1

x+5y=28

-x-2y=-13

3y=15

y=5

put the value of y in equation 1

x+5y=28

x+5*5=28

x+25=28

x=28-25

x=3

Answer Link

Otras preguntas

10 times as many as 1 hundred is how many hundreds
10 times as many as 100 is
Will a stand that can hold up to 40 pounds support a 21-kilogram television ? explain .
i need the results of 27?3?5?2=19
what is the GCF of 36 and 90
Subtract. –7 – 12 a. –19 b. –5 c. 5 d. 19
663 rounded to the nearest ten and hundred
A livestock ranch decides to expand its operations. Which of the following would be a negative externality for the local environment? higher property taxes less
What is a society ruled by religous leaders called?
You have trained all year for a marathon. In your first attempt to run a marathon, you decide that you want to complete this 26-mile race in 4.5 hours. What wou