kara30
kara30
04-09-2017
Mathematics
contestada
helppppppppp!!!!!!!!!!!
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
VER TODAS LAS RESPUESTAS ( 47+ )
Otras preguntas
PLEASE HELP!!! WILL MARK BRAINLIEST!!!
Question 7. Spoiler words can only be found in multiple choice questions.A True B. False
A 3.00 kilogram mass is thrown vertically upward with an initial speed of 9.80 meters per second.What is the maximum height this object will reach ?
At the beginning of 2020, my brother's account balance was $4500. Over the year, it increased by 80%. My sister's account started with a balance of $3950 and sa
A certain positive number is multiplied by 4, and then the result is subtracted from the original number. The result is 21 less than 0. What is the number?
Yolanda bought a video that was priced at a 65% markup over the manufacturer's cost of $12. What was Yolanda's cost?
A bird's nest is 12 feet above the ground. A mole's den is 12 inches below the ground. What is the difference in height of these two positions?
Which of the following expressions is not equivalent to the others? A. -24/3 B. 24/-3 C. —24/3 D. —24/-3
Alan can run 3 miles in 24 minutes. If he maintains the same pace, what is the greatest number of miles he can run in 96 minutes
Neptune is ________ planet from the sun
