teacherwwe teacherwwe
  • 09-10-2017
  • Mathematics
contestada

SAT prep: Prove that 3x – 4 ( 5 – x ) is equivalent to 7x – 20

Respuesta :

abby0601
abby0601 abby0601
  • 09-10-2017
3x -4 (5 - x) = 7x -20
3x-20+4x=7x-20
7x-20=7x-20
Answer Link

Otras preguntas

everything inside the cell including the nucleus
a series circuit contains a generator, two devices, and connecting wires. The resistances of the two devices are 15 ohms and 10 ohms. The voltage supplied by
Without Enlightenment ideals, which would have been least likely to happen?
the first continental congress was held in 1774 in the city of: a. washington, d.c. b. new york c. philadelphia d. boston
Having Human Characteristics Or Form
what event led to a rapid population increase in california in the late 1840s?
19. Josie has a dog walking service. She charges $10 per dog plus $2 per hour. If Josie walks Mr. Grove's 3 dogs for 2 hours how much money does Josie earn?
Which word best describes the mood of this stanza from Edgar Allen Poe's "A Dream?" In visions of the dark night I have dreamed of joy departed— But a waking dr
Which expression means the same as this one: ¿Son las siete menos veinte? A. Son las siete y veinte. B. Son las ocho y veinte. C. Son las seis y cuare
you don't have to use quotation marks when you quote an author as long as you cite the author's name at the end of the paragraph. true false