aoutb9reStep aoutb9reStep
  • 13-11-2016
  • Mathematics
contestada

What is the solution to the system of equations?

y =1/3 x – 10

2x + y = 4

(–8, 6)
(–6, 16)
(6, –8)
(16, –6)

Respuesta :

texaschic101
texaschic101 texaschic101
  • 13-11-2016
y = 1/3x - 10
sub in 1/3x - 10 in for y in the other equation

2x + y = 4
2x + 1/3x - 10 = 4...multiply everything by 3 to get rid of factions
6x + x - 30 = 12
7x = 12 + 30
7x = 42
x = 42/7
x = 6

2x + y = 4
2(6) + y = 4
12 + y = 4
y = 4 - 12
y = - 8

solution is : (6,-8)
Answer Link
jamierivera515
jamierivera515 jamierivera515
  • 28-09-2018

the answer C hope it helps

Answer Link

Otras preguntas

Helppppppppp pleaseeeee
Which of the following describe some of the trade-offs faced by a family deciding whether to buy a new car?
The following slide was created as part of a presentation that trains new employees how to use the scheduling and calendar software. Each item in the bulleted l
What’s the answer ?
Which bill did President Bush veto? the Americans with Disabilities Act the Civil Rights Act of 1990 the Clean Air Act Amendments the Civil Rights Act of 1991
please help ASAP! 20POINTS!
How do you do this? Been working on it for along time
help me with this please ​
if there is 12 minutes in each inning and there are 4 innings then for every 2 minutes the basketball team makes 2 points how many points do they have total​
How do environmental factors influence genetic traits? a. Environmental factors determine all genetic traits. b. Environmental factors can determine if a geneti