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

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