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

how can you use place value and period names to read and write 324,904 in word form
round of 389,422 in 1,000
What does e^-infinity equal? And what does e^infinity equal?
What does e^-infinity equal? And what does e^infinity equal?
what is the weight in newtons of a person who weights 60kg
how to write 15,409 in two forms
The purpose of an editorial in the city newspaper is usually to __________. entertain inform persuade evaluate
23. Which of the following groups benefitted the least from the prosperity of the second industrial revolution? A. Textile workers B. Factory workers
in the problem 10 - 4=6 what is the correct term for the number 4? a) product b) subtrahend c) difference d) minuend
Which statement shows the associative property of addition? A. If m + 3 = 18, then 18 = m + 3 B. (u + 7) + 13 = u + (7 + 13) C. 21 + 2y = 2y + 21 D. 3 · (5