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

How is a story in a news magazine likely to differ from a story covering the same subject in a print newspaper? A. It would provide more in-depth coverage B. It

How does Shakespeare use other characters to introduce and develop our perceptions of the main character Hamlet? Cite specific examples from the text.

What is an example of a biotic factor in a biome?: * A. scavengers B. producers C. soil

Which of the following account balances would not be included in the calculation of the current ratio? Accounts receivable Short-term notes payable

Certain traits will have been lost from the gene pool forever. some may be obvious, like people with red hair or double jointed thumbs. others will be less obvi

Why did factory owners insist on using child labor?

Conversion of natural ecosystems to agriculture ecosystems can lead to less carbon stored in soil and large plants such as trees. True or false?

Solve the system of equations: (Find the ordered pair that is a solution to both equations). y=4x-3y=-2x+9

Describe two similarities among the Georgia State Constitution and the United States Constitution.

What is an essential characteristic of an object in equilibrium? a. Zero velocity b. Zero acceleration c. Zero momentum d. Zero energy