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

Consider the dehydrogenation of ethane to form ethene (ethylene) and hydrogen, LaTeX: \text{C}_2\text{H}_6\rightleftharpoons\text{C}_2\text{H}_4+\text{H}_2C 2 H

Score Error Example #28. In rehearsal, you notice that the piece sounds correct, but the Example 2 score does not look quite right. Explain the error in the Exa

On the last day of school, Mrs. Awesome gave jelly beans to her class. She gave each boy as many jelly beans as there were boys in the class. She gave each girl

the two ways that a building handles the load is by

If a wave has a wave height of 5 meters, in what depth of water would it begin to break?

A food safety guideline is that the mercury in fish should be below 1 part per million (ppm). Listed below are the amounts of mercury (ppm) found in tuna sush

Type II alveolar cells A) allow rapid diffusion of gases through their thin membranes. B) allow rapid diffusion of gases through their thin membranes, secrete

Lucille is finding it difficult to play soccer after school. Her doctor thinks that her cells might not be getting enough oxygen. When Lucille talked about it

where is the middle East located in regards to the other areas on a political map? ASAP!

Before you buy from a salesperson who claims to represent a well-known company, you check with the company to make sure this person is an employee. Which consum