ioangiqueenkiarose ioangiqueenkiarose
  • 23-11-2016
  • Mathematics
contestada

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

(6, 3)

(3, 6)

(−3, 6)

(3, −6)

Respuesta :

nobillionaireNobley
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
  • 27-06-2018
the answer is 3,6 this was easy
Answer Link

Otras preguntas

Where did more protestants live, in northern or southern europe?
For each number, indicate whether it’ is rational or irrational
A text-only forum accessed through a bulletin board service (BBS) is known as a _____.
Why didn't Walter Cunningham have a lunch? A. he forgot it B. it was stolen C. he gave it away D. he was poor
Write the correct conjugation. preferir ¿Qué beber Ud? preferir Yo beber soda. querer Carolina no café. empez
Select the correct answer to the following question: ¿Qué postre quiere? (5 points) Question 9 options: 1) la leche 2) el flan 3) el arroz 4) el jugo
HELPPPPPPPPPPPPPPPPPPPPPPPPPPPPPP
Which verb form correctly completes this sentence? La semaine prochaine Robert et ses amis ______________ du camping. a) faisons b) vont faire c) allez
Which of these factors led the Greeks and Persians to organize their cities in very different ways? A. Their abilities to access vital trade routes B. Their dif
Lymphocytes that develop immunocompetence in the thymus are