ciobotaionutmarian ciobotaionutmarian
  • 01-05-2020
  • Mathematics
contestada

{3x=7y=5
{5x-2y=-19

Respuesta :

mysticchacha
mysticchacha mysticchacha
  • 02-05-2020

Answer:

(-3, 2)

Step-by-step explanation:

{3x=7y=5

{5x-2y=-19

solve....

maybe it was  3x + 7y = 5

and  5x - 2y = -19

2*(3x + 7y = 5)

7*(5x - 2y = -19)

-------------

6x + 14y = 10

35x -14y = -133

41x = -123

x = -3

y = ...

5*(-3) - 2y = -19

-15 - 2y = -19

2y = 4

y = 2

(-3, 2)

Answer Link

Otras preguntas

Can someone help me?
How were the September 11 terrorist attacks unique??
What did James Madison and John Marshall have in common?
out of 100 employees at a company, 92 employs either work part time or work 5 days each week. There are 14 emplyess who work part time and 80 employess who work
A sphere has a diameter of 24 units. What is its volume in cubic units? A.576π cubic units B.1,728π cubic units C.2,304π cubic units D.6,912π cubic units
Determine the slope of the line that contains the given points. t(6,3),v(8,8)
The cost to society for underage alcohol use is more than $ ___________ per year for every man, woman and child in the United States. A. 50 B. 100 C. 175
In which two sentences do the underlined words represent prepositional phrases? The man in the house seemed to be asleep. The soldiers crept cautiously through
What state threatened to secede in 1833? Why?
What is the factored form of each expression? 20x + 35y