17 is the sum of 4 and one-third of a number. what is the equation and what is the number?

x = a number

17 = 4 + 1/3x. First subtract 4 from both sides.

13 = 1/3x. Divide each side by 1/3.

39 = x

idk

step-by-step explanation:

5x+40

5(x + 8)

7x - 49

7(x - 7)

18x + 9

9(2x + 1)

15x - 10

5(3x - 2)

step-by-step explanation:

for number one all you have to do is factor 5 out of 5x + 40

for number 2 factor 7 out of 7x - 49

for number three factor 9 out of 18x + 9

for number four factor 5 out of 15x - 10