Marinavina23
Marinavina23
02-02-2016
Mathematics
contestada
7x+6y=21
X+3y=-12 what is the answer
Respuesta :
Panoyin
Panoyin
02-02-2016
7x + 6y = 21 ⇒ 7x + 6y = 21
1x + 3y = -12 ⇒ 2x + 6y = -24
5x = 45
5 5
x = 9
x + 3y = -12
9 + 3y = -12
- 9 - 9
3y = -21
3 3
y = -7
(x, y) = (9, -7)
Answer Link
VER TODAS LAS RESPUESTAS ( 56+ )
Otras preguntas
Select all that apply. Biogeochemical cycles depend mostly on _____ and _____ for decomposition and the recycling of elements. bacteria fungi protozoa algae pla
if traveling at 80 km how long will it take to travel 20 km
Oftentimes, our physical environment is _______________. a. an extension of our personality b. unrelated to what and how we communicate c. determined by facto
Question 9.9. Encryption is BEST described as a. back-up command. privacy control. tool for hackers. spam filter
cody and his friends started playing a game at 6:30 p.m. it took them 37 minutes to finish the game at what time did they finish
Which organization specifically promoted support for the war among the American people? a. the Committee on Public Information b. the Red Cross c. the Counci
How are equivalent fractions used in writing a sum of two like fractions in simplest form?
what was the significance of truman's loyalty review program
Fat contains ____ calories per gram. Question 11 options: 22 4 6 9
The________ channels sound to the eardrum.
