sxnflowerptxls
sxnflowerptxls sxnflowerptxls
  • 26-04-2020
  • Mathematics
contestada

What value of x makes this equation true?
12(x+3)=-8x
a. -9
b. 9
c. -1.8
d. 17
Other:

Respuesta :

wegnerkolmp2741o
wegnerkolmp2741o wegnerkolmp2741o
  • 26-04-2020

Answer:

-1.8 =x

Step-by-step explanation:

12(x+3)=-8x

Distribute

12x +36 = -8x

Subtract 12x from each side

12x-12x +36 = -8x-12x

36 = -20x

Divide each side by -20

36/-20 = -20x/-20

-9/5 = x

Changing to decimal form

-1.8 =x

Answer Link
amna04352
amna04352 amna04352
  • 28-04-2020

Answer:

c. -1.8

Step-by-step explanation:

12(x+3) = -8x

12x + 36 = -8x

20x = -36

x = -36/20

x = -1.8

Answer Link

Otras preguntas

Given: O is the midpoint of line MN OM=OW Prove: OW=ON
I can see Hank that you are studying hard What is the proper way to write this sentence? Please help!
if Mr. arenth wants to put new carpeting in the room shown, how many square feet should he order L= 14ft. W = 6c-8ft. L= 5+3c ft.
in the book stargirl why did leo ignore stargirl and who did he blame it on
How Do you solve this literal equation y=5x-6 for x
1.2k+2.4 Factor out the coefficient of the variable and find the greatest common factor
FILL IN THE BLANK an elements __________ is its row in the periodic table
Pens cost 95 cent each or 9.95 dollars for a dozens. what is the least possible cost in a dollars of 40 pens
What roles do exchange particles play in an interaction?
how to write a sentence for 48 divided by 9 equals 5 remainder of 3