Respuesta :

Answer:

9.   6

10.  72

Step-by-step explanation:

9.   [tex]x[/tex] - number

twice a number is [tex]2x[/tex]

5+2 = 17     | Subtract 5

[tex]2x = 12[/tex]       | Divide by 2

[tex]x=6\\[/tex]

10.   Let the number be "a"

[tex]\frac{a}{3} -4=20\\\\\frac{a-12}{3}=20\\ \\a-12=60\\\\a=60+12\\\\a=72[/tex]

Hope this helps:) Pls can u mark brainliest in return?

The answer to number 9 is 6 and the answer to number 10 is 72.