andrwcollins44041 andrwcollins44041
  • 10-11-2019
  • Mathematics
contestada

An equation is shown. – 4 5 (9x – 20) – 3x = 4 5 x – 6 Choose the value of x that makes this equation true. A. x = –2 B. x = – 1 2 C. x = 1 2 D. x = 2

Respuesta :

shams04
shams04 shams04
  • 10-11-2019
Answer: D

Work:
-45(9x-20)-3x = 45x-6
-405x+900-3x = 45x-6
-408x+900 = 45x-6 (combine like terms)
906=453x (add 6 to 900 and -408x to 45x)
2=x ( divid)
X=2
Answer Link

Otras preguntas

Why was the economic depression that began in the second half of the 1920s called the Great Depression?
I need help, you need to find x and y Step by step would be good thanks
Josie's Pie Shop has 20 pies for sale, including 6 chocolate cream pies. What is the probability that a randomly selected pie will be a chocolate cream pie?
One interior angle of a rhombus is 75 degrees . What are the other 3 angles
Which best describes how understanding of Inherited traits has changed over time
Consider the exponential function f(x) = (15x). What is the value of the growth factor of the function
Scintillatium has a halflife of 16 minutes. if a sample has 800 grams, find a formula for its mass after t minutes.
why is frictional unemployment of relatively little concern to economists or government officials
What type of system is associated with weather that is cold but sunny with almost no clouds in the sky? A. low pressure system B. high pressure system C
What is 40 1(k)plan