colkiddtriller colkiddtriller
  • 15-05-2020
  • Mathematics
contestada

3. Three less than twice a number is 15. What is the number?
a.
b.
x= -6
x=6
c. x=-9
d. x=9

Respuesta :

wegnerkolmp2741o
wegnerkolmp2741o wegnerkolmp2741o
  • 15-05-2020

Answer:

x =9

Step-by-step explanation:

Let x = be the number

2x -3 =15

Add 3 to each side

2x-3 +3 =15 +3

2x = 18

Divide each side by 2

2x/2 =18/2

x =9

Answer Link
ItzMikeSS
ItzMikeSS ItzMikeSS
  • 15-05-2020

Answer: [tex]x=-6[/tex]

Step-by-step explanation:

Three (3) less than (-) twice (2) a number (x) is (=) 15

[tex]3-2x=15[/tex]

[tex]-2x=15-3\\-2x=12\\x=\frac{12}{-2}\\ x=-6[/tex]

Answer Link

Otras preguntas

Why isn't badminton consider a sport to most of the people in United States?
What is 16 divided by 1/4
Why isn't badminton consider a sport to most of the people in United States?
Could an organism survive without one of its organs
what is wrongith this sentence?     He did all the housework today.
What condition fostered the rise of absolute monarch in europe?
Hot dogs come in packages of 6. Hot dog buns come in packages of 8. Antonio will buy the same number of hot dogs as hot dog buns. How many hot dogs could he buy
Rick has 12 action, 15 comedy, and 9 drama DVDS. find the ratio of action DVDS to the total of DVDS. Then explain its meaning how would I do this problem?
Why is american dream is not worth pursuing ?
why did the United States avoid involvement in World War II until December 1941?