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

4. A pizzeria bakes 6 dozen slices of pizza an hour. How many slices are baked each minute? Record only the numerical part of your answer.

Performing this task is horribly time consuming and ridiculous." It would be harmful if his _________ was originally enthusiastic.

6+4m-1=21 PLEASE HELP! I’m stuck on this question :/

30 POINTS! PLEASE ANSWER QUICK!!!When coding in html, do you put [tex]<[/tex]html[tex]>[/tex] or [tex]<[/tex]!DOCTYPE html[tex]>[/tex] first? Does i

When a country has a large population, but very little arable land, what challenges might it experience?

Each day, track and monitor your workout for a minimum of 30 minutes each day (min 2-3 days per week). Various workouts and exercises include: Mile run/bike rid

What is the 2020-2021 Biomedical debate topic?

What is the most important insight Momaday gains during his pilgrimage from Yellowstone to his grandmother gave at the Rainy Mountain? Include one quote.

What is a sea route from Atlantic to the pacific that passed through North America? A)a trade route B)strait C)northwest passage

Please tell me your option if my writing is good or not