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

Why do historians analyze historical events and cause-and-effect relationships?
hey please can someone please translate the important words in this arabic paragraph into english and answer the following questions
The weights of five junior varsity football players are 72.4 kg, 80.3 kg, 62.8 kg, 67.5 kg and 92.5 kg. Find the mean weight
Magnesium and iron are metallic elements. How does a mole of magnesium compare with a mole of iron?Which value gives the number of particles in 1 mol of a subst
Solve for x 3x - 7 = 2
What was the position taken by the Iroquois in the French and Indian War? PLEASE HELP!!
PLSSS HELP!!??!Why do the Mexican soldiers continue to retreat to San Antonio? What is there for them?
Michaelangelos early works were influenced by his study of what other artist
Which cellular process produces simple sugars? A. mitosis B. photosynthesis C. respiration D. waste elimination
What is a company doing if it requires customers to buy multiple products from that company to obtain the one product that the customer truly wants? practicing