langfordarmonip40dbs
langfordarmonip40dbs langfordarmonip40dbs
  • 03-05-2018
  • Mathematics
contestada

Giovanni justifies whether the expression -4x-8 is equivalent to -2(x+1)-2(x+3)by letting x=3 in both expressions. What is the value of each expression when x=3

3 and -20

4 and 4

-20 and -20

3 and 4

Respuesta :

carlosego
carlosego carlosego
  • 12-05-2018
For this case we have the following expressions:
 -4x-8
 -2 (x + 1) -2 (x + 3)
 Evaluating x = 3 in both expressions we have:
 -4 (3) -8 = -12 - 8 = -20
 -2 (x + 1) -2 (x + 3) = -2 (3 + 1) -2 (3 + 3) = -2 (4) -2 (6) = -8-12 = -20
 Answer:
 the value of each expression when x = 3 is:
 -20 and -20
Answer Link
DaisyBinaFlower
DaisyBinaFlower DaisyBinaFlower
  • 17-05-2018
The answer is C. -20 and -20 on grad soultions.
Answer Link

Otras preguntas

Select all that apply. From this lesson, what are the positive effects of globalization? You can learn other languages faster. You can learn about foreign art a
Uses of pressure and the uses of density​
The red pigment in erythrocytes is __,which transports oxygen.
What is the quotient? URGENT!!
Please help ASAP ANSWERS A-48.21 B-66.35 C-53.68 D-28.34
Write 0.00000414 in scientific notation.
Use your research to write a testimonial about the individual's importance in history. What influence did he or she have on his or her time and place, or on his
Why Would you rather buy 18 eggs at this price 2/$8.00 or 18 eggs for 97c at buy 2 get 1 free
Most of what we read is based on fact. True False
Explain the Importance of Balanced Diet​