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

How many 5-letter words can be made using exactly 5 of the letters from TEXAS and MEXICO? Letters may only be used as many times as they appear. (For example, X
Write an equation of the line that passes through the point (5, -8) with slope 5
What is the last stage of the public policy process? i. evaluation policy ii.implementation policy iii. enactment iv. agenda setting
The temperature coefficient of resistivity for copper is 0. 0068°c-1. if a copper wire has a resistance of 104 ω at 20°c, what is its resistance 80°c?
How many three-digit multiples of 5 have three different digits and at least one prime digit?
A glass fiber carries a light digital signal long distances with a minimum loss of amplitude. What optical property of glass allows this phenomenon?
The resonance frequency of a driven rlcrlc circuit is 1600 hzhz. part a what is the resonance frequency if the resistance rr is doubled?
Can someone please help meee<3
What structure in the male reproductive system produces most of the seminal fluid?
The firm will produce output in the short run only if the market price is at least equal to__________.