Solve the following system.
y = x + 3
4x + y = 18

(6, 3)

(3, 6)

(−3, 6)

(3, −6)

Question

23-11-2016
Mathematics

contestada

Solve the following system.
y = x + 3
4x + y = 18

(6, 3)

(3, 6)

(−3, 6)

(3, −6)

Respuesta :

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nobillionaireNobley nobillionaireNobley · Answer 1 · 2016-11-23T17:54:42+01:00

nobillionaireNobley nobillionaireNobley

23-11-2016

y = x + 3 . . . (1)
4x + y = 18 . . . (2)

Putting (1) into (2) gives
4x + x + 3 = 18
5x = 18 - 3 = 15
x = 15/5 = 3
x = 3
y = x + 3 = 3 + 3 = 6

Solution = (3, 6)

Answer Link

amccrutcheon amccrutcheon · Answer 2 · 2018-06-27T13:15:31+02:00

amccrutcheon amccrutcheon

27-06-2018

the answer is 3,6 this was easy

Answer Link

Solve the following system. y = x + 3 4x + y = 18 (6, 3) (3, 6) (−3, 6) (3, −6)

Respuesta :

Otras preguntas

Solve the following system.
y = x + 3
4x + y = 18

(6, 3)

(3, 6)

(−3, 6)

(3, −6)