04-09-2017
Mathematics

contestada

helppppppppp!!!!!!!!!!!

helppppppppp class=

Respuesta :

mreijepatmat mreijepatmat

04-09-2017

- 9y + 6x = 7 (a)
+9y - 8x = 9 (b)

Add a) + b)
- 9y + 6x = 7 (a)
+9y - 8x = 9 (b)
----------- -------
0y - 2x = 16
Solve for x:
-2x = 16
2x = -16
x = - 8.
Now replace x = 8 in either a) or b) and you will find y = -55/9

Answer Link

Otras preguntas

When Gianna asks for 4 feet ribbon the clerk measures a 48- inch piece. How many inches long is a 9- foot piece of ribbon

What role do unit rates have in our daily lives?

which artwork was made using the techniques of thick outlines and brash, unreal colors

Regina bought food for her family. She bought 31/2 pounds of oranges and 33/4 pounds of peaches if she used all but 13/8 pounds of fruit salad, how much fruit w

What type of information system would be used by upper level management using both internal and external information? A. Decision support system B. Executive in

Which research method uses information that governments, businesses, and educational institutions have already made available for public use? A. survey B. cor

How can spell check be ineffective?

Renting a bicycle costs $15 for the first hour and $5.50 for each additional hour. Let x represent the number of additional hours. if you have $25 to spend, whi

Explain the type of economic system found in North Korea. Who controls the economic activity? What program receives the majority of the country’s budget?

Which type of text tells you how to do something? A persuasive B Expostiory C Narrative D procedural