chrissann chrissann
  • 25-07-2020
  • Mathematics
contestada

If 20a-16=12(3-a), then a=?

a)5/8
b)13/8
c)21/16
d)5/2​

Respuesta :

fjeeqs fjeeqs
  • 25-07-2020

ANSWER: B. 13/8

STEP BY STEP THING:

20a−16=12(3−a)

20a−16=−12a+36

32a−16=36

32a=52

32a/32 = 52/32

a = 13/8

Answer Link
Аноним Аноним
  • 25-07-2020

Answer:

13/8 or 1.625

Step-by-step explanation:

1)combine like terms 2)isolate the variable(a) to one side of the equation 3) use multiplicative or division properties  x=13/8 or 1.625

Answer Link

Otras preguntas

At first Rohan thought it was a good idea to offer a car repair pick-up service at his auto repair shop, but then he realized that most customers called Tow-It-
Adele's Inc. is considering investing in a piece of equipment to automate some operations. It will cost $180,000 and last 4 years with no salvage value. Sales a
what is 3/10 - 1/2?​
True or false:Square root equations will always have one solution​
Can you please help me thanksss!!!!!!!
Kitty is writing a story in response to the following announcement on a website about her favorite adventure game: Calling all writers! We’re putting together
Find the tenth term of the sequence. 3, 2, -1, -6, -13,... The tenth term is ?
Does it matter if a media source has a bias? What can the reader do to offset a possible bias?
The product of a number and nine is added to five. The result is thirty- eight more than the product of six and the original number.
What is the contribution of Lyman Beecher?