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)

Question

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 :

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texaschic101 texaschic101 · Answer 1 · 2016-11-13T11:29:58+01:00

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)

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jamierivera515 jamierivera515 · Answer 2 · 2018-09-28T14:19:23+02:00

jamierivera515 jamierivera515

28-09-2018

the answer C hope it helps

Answer Link

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 :

Otras preguntas

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)