kxyqjwi7sq
kxyqjwi7sq kxyqjwi7sq
  • 11-12-2020
  • Mathematics
contestada

directions - solve the liner system. enter your answer as an ordered pair. 2x + 3y = 31 y = x + 7

Respuesta :

sofia10206
sofia10206 sofia10206
  • 11-12-2020

(1) 2x + 3y = 31 y

(2) 2x + 3y = x + 7

(3) 31y = x + 7

(3) x = 31y - 7

(2) 2(31y - 7) + 3y = 31y - 7 + 7 ; 62y - 14 + 3y = 31y ; 34y = 14 ; y = 14/34 ; y = 7/17

(3) x = 31y - 7 ; x = 31*(7/17) - 7 ; x = (217 - 119)/17 = 98/17

x = 98/17 ≈ 5.76

y = 7/17 ≈ 0.41

Answer Link

Otras preguntas

how do you solve y=4+2x
the slogan associated with the french revolution
Please help! (picture)
How many times larger is the sun than earth?
In a certain school, 17 percent of the student are enrolled in a psychology course, 28 percent are enrolled in a foreign language course, and 32 percent are enr
Which form of business ownership is the most complex and difficult to form, and why?
What instigated modernization and industrialization in Japan? A-Japan’s leaders sent observers to find modern industrial techniques. B-Japan was colonized by Gr
Explain why specialization is important in the operation of a market
Jamie mixed 2/3 bottle of cranberry juice and 5/6 bottle of orange juice.Which shows how to compare 2/3 and 5/6? 2/3 <5/6 5/6<2/3 5/6=2/3 2/3>5/6
What was the BAI? What is one discovery that the BAI made?