exek07172
exek07172 exek07172
  • 14-08-2017
  • Mathematics
contestada

Solve by the linear combination method.

6x – 2y = 2
–3x + 4y = 5

Respuesta :

texaschic101
texaschic101 texaschic101
  • 14-08-2017
6x - 2y = 2
-3x + 4y = 5....multiply by 2
-----------------
6x - 2y = 2
-6x + 8y = 10 (result of multiplying by 2)
-----------------add
6y = 12
y = 12/6
y = 2

6x - 2y = 2
6x - 2(2) = 2
6x - 4 = 2
6x = 2 + 4
6x = 6
x = 6/6
x = 1

solution is (1,2)
Answer Link

Otras preguntas

predict how a magician might be able to fool one of our other senses such as touch or smell
What is 2 1/2x2 1/2 ??? (Two,one half times two and one half)
Capitulate mean to stand firm True or false
A local bookstore finds that each day approximately 20% of their sales are nonfiction books if they sell 425 books one day how many of those books are nonfictio
8 meters increased by 25 percent
Which term might a Loyalist have used to describe a Patriot gathering or committee?
explain why you cannot draw a conclusion about the effect of one variable in an investigation when the other key variables are not controlled
If an airplane is traveling at 500 mph and a fly is flying forward inside the airplane is the fly traveling faster than the airplane?
A new cell phone is on sale for 40% off its original price. The sale price is $48. What was the original price of the cell phone?
Which of the following cities is considered one of the fastest growing cities in the world?