Ashley2313 Ashley2313
  • 03-02-2015
  • Mathematics
contestada

-3-y=24
y=3x solving systems of equations by substitution

Respuesta :

mac32b mac32b
  • 03-02-2015
{ - 3 - y = 24   ⇒ - y = 24 + 3  .(-1)   ⇒ y = - 24 - 3  ⇒ y = - 27
{ y = 3x

y = 3x
( - 27 ) = 3x
- 27 = 3x
- 27 = x
   3
- 9 = x

S = { - 9 , - 27 }
Answer Link

Otras preguntas

A mechanic repairs Mr. Estes car the amount for parts is $48 and the rate for the mechanic is $40 per hour. Write and solve an equation to find the total cost o
Solve 3/x+2 - 1/x = 1/5x. Show your work.
An ideal gas occupies 600 cm3 at 20c. at what temperature will it occupy 1200 cm3 if the pressure remains constant? 10c 40c 100c 313c
Espero que mi padre _____ (tener) dinero. tenga tiene tena tengo
What organelles in a human cheek cell are visible using a compound light microscope?
How do you say I think in spanish
Identify the complete​ verb: she has been doing yoga for years.
845,001 rounded to the nearest ten thousand
The study of how hormones function is called
Which of the following is correct? “Liz shouted for everyone to leave the building”. Liz shouted, for “everyone to leave the building.” Liz shouted for ev