kitty0832
kitty0832 kitty0832
  • 21-06-2019
  • Mathematics
contestada

20 Points!!

Solve 2(4 x + 3) < 5 x + 21.


A) { x | x < 9}
B) { x | x > -5}
C) { x | x > -9}
D) { x | x < 5}

Respuesta :

average97
average97 average97
  • 21-06-2019

Answer:

D

Step-by-step explanation:

8x-5x<21-6

x<15÷3

x<5

Answer Link
wegnerkolmp2741o
wegnerkolmp2741o wegnerkolmp2741o
  • 21-06-2019

Answer:

D) { x | x < 5}

Step-by-step explanation:

2(4 x + 3) < 5 x + 21

Distribute

8x +6 < 5x+21

Subtract 5x from each side

8x-5x+6 < 5x-5x+21

3x+6 < 21

Subtract 6 from each side

3x+6-6<21-6

3x <15

Divide each side by 3

3x/3 <15/3

x < 5

Answer Link

Otras preguntas

Identify the primary consumers, tertiary consumers, and secondary consumers in the image attached. Which organism has the greatest population in the presented e
PLS HELP In order to search the Internet, you need to use software referred to as a(n) A) computer connector B) Internet browser C) TCP D) network browser
HELP ME QUICK PLEASE.
Sarah and all of her siblings have brown hair. She concludes that if her parents have another child, he or she will have brown hair. Is this an example of induc
What is 2 plus 2 Get points guys
Which of the following is an angle shown in the drawing? ∠DEB ∠CBF ∠ABF ∠BEC
PLS HELP im going to fail someone pls help me
question 4, plz help ( radius is 6.8)
What are the current problems with using nuclear power as a source of energy? Name one problem from fission and one for fusion.
A rectangle measures 2 1/2 inches by 1 5/16 inches. What is its area?