bby2010 bby2010
  • 12-11-2019
  • Mathematics
contestada

Solve the system using addition
3x+ 5y =67
- 3x + y = -18 8
The solution is x= and y=​

Respuesta :

ad2003ez ad2003ez
  • 12-11-2019

Answer:

x = 8.95 y = 8.03

Step-by-step explanation:

3x + 5y = 67

-3x + y = -18.8

Add them

6y = 48.2

divide by 6

y = 8.03

now substitute into one equation

3x + 5(8.03) = 67

3x + 40.15 = 67

subtract 40.15

3x = 26.28

divide by 3

x = 8.95

Answer Link

Otras preguntas

What are the Factors that contribute person becoming a refugee?
Discrimant of 6x squared -54=0
What made Massachusetts Bay Colony a theocracy?
the bakers at healthy bakery can make 270 bagels in 10 hours. how many bagels can they bake in 19 hours? what was the rate per hour?
You and your friends go to the movies. The cost of admission is 9.50 per person. Create a table showing the relationship between the number of people going to t
what is the change in appearance of DNA during cell division
What were the explorers that founded north america trying to do?
How to write a business plan
Passage with a 3 questions 50 points if the answer is correct please help! Today, people have more options than ever when it comes to finding news and other inf
Blank are atoms that carry an electric charge A. No electrolytes B. Electrolytes C. Ions D. Colloids