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

How you feel Upon your senior graduation, has the Coronavirus pandemic affected your vision/goals that you have set for your future/career aspirations.
What does cardiomalacia mean?
gross domestic product is the value of goods and services produced in a country annually
If Julie used a syringe on her gelding she is MOST likely
A number cube has sides that are labeled 1 to 6. Jamal rolls the number cube. What is the probability that he will roll a 2?
If A = {2, 3, 4, 5} and B = {5, 6, 7, 8}, what is A U B?{2, 3, 4, 5, 6, 7, 8){5}​
Who is Reagan’s intended audience for this part of his speech?
HELP!!!! URGENT!!!!! Gene expression in prokaryotes is regulated at which stage? A. Translation B. Transcription C. Post-transcriptional modification
-Rachel has some first class and some second class stamps.The ratio of the number of first dass to the number of second class stamps is 3:4Rachel has 18 first c
What would a temperature of 25 degrees Fahrenheit be in Celsius?